feat: support sink/view column schema in commands show/create and system catalog

[yezizp2012]

I hereby agree to the terms of the RisingWave Labs, Inc. Contributor License Agreement.

What's changed and what's your intention?

1. support show columns from sink and view.
2. support describe sink and view.
3. include sink columns in system catalog: rw_columns, information_schema.columns.

Resolve #13606
Resolve #11234

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added test labels as necessary. See details.
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• My PR contains breaking changes. (If it deprecates some features, please create a tracking issue to remove them in the future).
• All checks passed in ./risedev check (or alias, ./risedev c)
• My PR changes performance-critical code. (Please run macro/micro-benchmarks and show the results.)

• My PR contains critical fixes that are necessary to be merged into the latest release. (Please check out the details)

Documentation

• My PR needs documentation updates. (Please use the Release note section below to summarize the impact on users)

Release note

If this PR includes changes that directly affect users or other significant modifications relevant to the community, kindly draft a release note to provide a concise summary of these changes. Please prioritize highlighting the impact these changes will have on users.

[codecov]

Codecov Report

Attention: 115 lines in your changes are missing coverage. Please review.

Comparison is base (9ae8705) 68.09% compared to head (f27c16f) 68.06%.

Files	Patch %	Lines
src/frontend/src/handler/describe.rs	26.73%	74 Missing ⚠️
...rc/catalog/system_catalog/rw_catalog/rw_columns.rs	29.16%	17 Missing ⚠️
src/frontend/src/handler/show.rs	51.51%	16 Missing ⚠️
src/frontend/src/binder/for_system.rs	73.33%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13626      +/-   ##
==========================================
- Coverage   68.09%   68.06%   -0.03%     
==========================================
  Files        1519     1520       +1     
  Lines      261508   261639     +131     
==========================================
+ Hits       178064   178095      +31     
- Misses      83444    83544     +100     

Flag	Coverage Δ
rust	68.06% <38.82%> (-0.03%)	⬇️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[chenzl25]

LGTM!