Fix model compression bug when fparam or aparam is not zero

[denghuilu]

See also #1299

[wanghan-iapcm]

Please resolve the conflict

[codecov-commenter]

Codecov Report

Merging #1306 (83a106b) into devel (338ba31) will decrease coverage by 11.28%.
The diff coverage is n/a.

❗ Current head 83a106b differs from pull request most recent head 22f9d0d. Consider uploading reports for the commit 22f9d0d to get more accurate results

@@             Coverage Diff             @@
##            devel    #1306       +/-   ##
===========================================
- Coverage   75.57%   64.28%   -11.29%     
===========================================
  Files          91        5       -86     
  Lines        7459       14     -7445     
===========================================
- Hits         5637        9     -5628     
+ Misses       1822        5     -1817     

Impacted Files	Coverage Δ
deepmd/fit/ener.py
deepmd/train/trainer.py
deepmd/loss/__init__.py
deepmd/utils/argcheck.py
deepmd/utils/network.py
deepmd/descriptor/se_a.py
source/op/_soft_min_virial_grad.py
deepmd/model/ener.py
deepmd/entrypoints/__init__.py
deepmd/descriptor/se_a_ebd.py
... and 76 more

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