fix(streaming): only disable sanity check for schema changable table

[BugenZhao]

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What's changed and what's your intention?

This is previously disabled in #8394 (comment). However, for tables (materialized views) that do not support schema change (determined by version field), we can still enable it for better debugging (like #9082).

Checklist For Contributors

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• I have demonstrated that backward compatibility is not broken by breaking changes and created issues to track deprecated features to be removed in the future. (Please refer to the issue)
• All checks passed in ./risedev check (or alias, ./risedev c)

Checklist For Reviewers

• I have requested macro/micro-benchmarks as this PR can affect performance substantially, and the results are shown.

Documentation

• My PR DOES NOT contain user-facing changes.

Click here for Documentation

Types of user-facing changes

Please keep the types that apply to your changes, and remove the others.

• Installation and deployment
• Connector (sources & sinks)
• SQL commands, functions, and operators
• RisingWave cluster configuration changes
• Other (please specify in the release note below)

Release note

[codecov]

Codecov Report

Merging #9095 (8fc91d4) into main (bcc00c0) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main    #9095      +/-   ##
==========================================
- Coverage   70.88%   70.87%   -0.02%     
==========================================
  Files        1197     1197              
  Lines      199009   199010       +1     
==========================================
- Hits       141072   141050      -22     
- Misses      57937    57960      +23     

Flag	Coverage Δ
rust	70.87% <0.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/stream/src/executor/mview/materialize.rs	89.09% <0.00%> (-0.09%)	⬇️

... and 7 files with indirect coverage changes

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