branch-3.0: [fix](Nereids) fix initcap fe fold constant #49061

[github-actions]

Cherry-picked from #49061

[hello-stephen]

Thank you for your contribution to Apache Doris.
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Please clearly describe your PR:

1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
3. What features were added. Why was this function added?
4. Which code was refactored and why was this part of the code refactored?
5. Which functions were optimized and what is the difference before and after the optimization?

[hello-stephen]

run buildall

[doris-robot]

TPC-H: Total hot run time: 40211 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
Tpch sf100 test result on commit 48650954d1aad7b59d6a8aa6937da33c8cafc7f9, data reload: false

------ Round 1 ----------------------------------
q1	17577	6719	6615	6615
q2	2070	166	163	163
q3	10626	1079	1167	1079
q4	10571	745	727	727
q5	7731	2901	2883	2883
q6	217	134	132	132
q7	971	625	625	625
q8	9357	1976	2054	1976
q9	6624	6409	6379	6379
q10	7031	2279	2309	2279
q11	468	265	267	265
q12	403	218	215	215
q13	17767	3007	3020	3007
q14	234	202	212	202
q15	501	473	462	462
q16	671	591	569	569
q17	992	574	549	549
q18	7246	6659	6552	6552
q19	1383	1049	1086	1049
q20	466	208	214	208
q21	4010	3272	3324	3272
q22	1089	1011	1003	1003
Total cold run time: 108005 ms
Total hot run time: 40211 ms

----- Round 2, with runtime_filter_mode=off -----
q1	6597	7084	6543	6543
q2	338	250	238	238
q3	2924	2799	2937	2799
q4	2045	1805	1809	1805
q5	5801	5845	5749	5749
q6	213	128	131	128
q7	2271	1800	1816	1800
q8	3405	3577	3535	3535
q9	8776	8904	8865	8865
q10	3567	3573	3475	3475
q11	596	493	503	493
q12	790	599	620	599
q13	9992	3267	3186	3186
q14	316	258	287	258
q15	509	462	479	462
q16	685	646	680	646
q17	1844	1661	1610	1610
q18	8316	7684	7731	7684
q19	1666	1555	1562	1555
q20	2121	1878	1869	1869
q21	5704	5413	5423	5413
q22	1145	978	1040	978
Total cold run time: 69621 ms
Total hot run time: 59690 ms

[doris-robot]

TPC-DS: Total hot run time: 196336 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpcds-tools
TPC-DS sf100 test result on commit 48650954d1aad7b59d6a8aa6937da33c8cafc7f9, data reload: false

query1	1334	932	903	903
query2	6240	1976	1979	1976
query3	10834	4356	4192	4192
query4	65215	28502	23129	23129
query5	5063	458	453	453
query6	428	176	179	176
query7	5555	319	315	315
query8	309	229	215	215
query9	8684	2611	2607	2607
query10	445	260	260	260
query11	17465	15158	15768	15158
query12	158	105	103	103
query13	1466	438	427	427
query14	10447	6907	7164	6907
query15	203	183	183	183
query16	7136	506	481	481
query17	1105	615	599	599
query18	1809	323	313	313
query19	214	170	159	159
query20	118	110	114	110
query21	211	105	110	105
query22	4649	4425	4649	4425
query23	34570	33737	34462	33737
query24	6182	2898	2958	2898
query25	520	422	433	422
query26	666	164	172	164
query27	2006	348	346	346
query28	4197	2453	2456	2453
query29	672	444	451	444
query30	241	169	160	160
query31	1012	814	851	814
query32	66	54	56	54
query33	407	299	290	290
query34	913	503	525	503
query35	840	771	735	735
query36	1066	953	964	953
query37	111	68	72	68
query38	4214	4035	4016	4016
query39	1522	1455	1519	1455
query40	215	97	101	97
query41	48	48	47	47
query42	107	102	104	102
query43	540	503	490	490
query44	1173	807	810	807
query45	180	166	168	166
query46	1153	717	729	717
query47	2047	1965	1935	1935
query48	488	379	385	379
query49	758	390	375	375
query50	856	442	430	430
query51	7543	7298	7050	7050
query52	104	89	85	85
query53	256	181	177	177
query54	554	449	457	449
query55	76	78	70	70
query56	262	246	231	231
query57	1240	1104	1097	1097
query58	215	226	202	202
query59	3042	2941	2908	2908
query60	280	251	247	247
query61	110	114	107	107
query62	759	674	693	674
query63	216	188	190	188
query64	1387	653	630	630
query65	3242	3180	3217	3180
query66	635	289	295	289
query67	15830	15547	15591	15547
query68	3635	594	579	579
query69	413	268	271	268
query70	1179	1126	1119	1119
query71	322	257	260	257
query72	6333	4270	4218	4218
query73	759	348	358	348
query74	9989	9089	8994	8994
query75	3346	2640	2695	2640
query76	1875	1140	1053	1053
query77	510	277	269	269
query78	10629	9608	9682	9608
query79	2025	610	614	610
query80	1439	438	412	412
query81	527	243	245	243
query82	1163	86	95	86
query83	268	150	146	146
query84	278	84	84	84
query85	1015	307	287	287
query86	400	307	291	291
query87	4414	4473	4410	4410
query88	3880	2390	2359	2359
query89	421	300	289	289
query90	1859	184	183	183
query91	184	153	145	145
query92	67	49	48	48
query93	2728	556	554	554
query94	764	293	306	293
query95	354	253	254	253
query96	617	275	283	275
query97	3341	3195	3157	3157
query98	211	201	196	196
query99	1583	1319	1278	1278
Total cold run time: 318137 ms
Total hot run time: 196336 ms

[doris-robot]

ClickBench: Total hot run time: 32.88 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit 48650954d1aad7b59d6a8aa6937da33c8cafc7f9, data reload: false

query1	0.03	0.04	0.03
query2	0.08	0.03	0.03
query3	0.23	0.06	0.06
query4	1.62	0.10	0.10
query5	0.54	0.51	0.52
query6	1.13	0.73	0.74
query7	0.02	0.02	0.01
query8	0.04	0.03	0.03
query9	0.58	0.51	0.49
query10	0.54	0.56	0.56
query11	0.14	0.11	0.10
query12	0.13	0.11	0.12
query13	0.61	0.59	0.59
query14	2.72	2.76	2.75
query15	0.90	0.81	0.83
query16	0.42	0.41	0.41
query17	1.11	1.05	1.06
query18	0.24	0.21	0.21
query19	1.89	1.83	2.03
query20	0.01	0.01	0.02
query21	15.38	0.60	0.61
query22	2.63	2.89	1.96
query23	17.12	0.84	0.80
query24	3.02	2.14	1.45
query25	0.28	0.29	0.05
query26	0.49	0.14	0.14
query27	0.05	0.05	0.05
query28	9.14	0.54	0.52
query29	12.63	3.30	3.27
query30	0.24	0.06	0.06
query31	2.83	0.38	0.38
query32	3.27	0.46	0.45
query33	2.97	2.99	3.07
query34	17.04	4.46	4.52
query35	4.51	4.48	4.58
query36	0.67	0.51	0.48
query37	0.08	0.06	0.07
query38	0.05	0.04	0.04
query39	0.03	0.02	0.03
query40	0.17	0.13	0.13
query41	0.08	0.03	0.02
query42	0.04	0.02	0.03
query43	0.03	0.03	0.04
Total cold run time: 105.73 s
Total hot run time: 32.88 s