feat(proto): add hidden column in Column Desc

[st1page]

What's changed and what's your intention?

add is_hidden in Column Desc proto

Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

Refer to a related PR or issue link (optional)

[BugenZhao]

💦💦💦

[codecov]

Codecov Report

Merging #530 (1a97fcd) into main (3809a21) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #530      +/-   ##
============================================
- Coverage     72.77%   72.77%   -0.01%     
  Complexity     2709     2709              
============================================
  Files           877      877              
  Lines         49147    49150       +3     
  Branches       1557     1557              
============================================
+ Hits          35765    35767       +2     
- Misses        12571    12572       +1     
  Partials        811      811              

Flag	Coverage Δ
java	63.41% <ø> (ø)
rust	76.70% <100.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
rust/frontend/src/handler/create_table.rs	97.82% <100.00%> (+0.04%)	⬆️
rust/stream/src/executor/mview/materialize.rs	79.09% <100.00%> (+0.38%)	⬆️
rust/meta/src/hummock/compaction.rs	68.21% <0.00%> (-0.67%)	⬇️

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