[fix](inverted index) Fix errors caused by enable_need_read_data_opt #42064 #42248
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…pache#42064) ## Proposed changes In the current backend implementation, it is not correctly handle counts when `is null` predicate exists, so we forbid the storage layer's count currently. for example: ``` select count(b) from test where b is null ``` When apply the is null filter, the result array will fill the default value of the column type and the count operator can not detect whether the result is null, so the count operator compute the wrong result.
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cherry pick from #42064