enhance(frontend): チャンネルタイムライン上部に投稿フォームを表示する設定をデッキのチャンネルカラムにも反映

[kakkokari-gtyih]

What

Why

Fix #17244

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 14.92%. Comparing base (55b0fbd) to head (905569a).

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #17247       +/-   ##
============================================
- Coverage    61.87%   14.92%   -46.95%     
============================================
  Files         1162      242      -920     
  Lines       116524    11866   -104658     
  Branches      8165     4015     -4150     
============================================
- Hits         72099     1771    -70328     
+ Misses       42219     7931    -34288     
+ Partials      2206     2164       -42     

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[kakkokari-gtyih]

コンフリクト解消

[kakkokari-gtyih]

コンフリクト解消

[kakkokari-gtyih]

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