Fix(frontend): チュートリアルを現状に合わせて修正

[penginn-net]

What

• メディアタイムラインについてを追加
• 検索許可についてを追加
• 連合無効を削除

Why

Close #566

Additional info (optional)

Checklist

• コントリビューションガイドを読みました( Read the contribution guide)
• ローカル環境で動作しました(Test working in a local environment)
• (必要なら)CHANGELOG_YOJO.mdの更新((If needed) Update CHANGELOG_YOJO.md)
• (必要なら)テストの追加((If possible) Add tests)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 18 lines in your changes missing coverage. Please review.

Project coverage is 19.86%. Comparing base (c3e0bc7) to head (7a5a01c).

Files with missing lines	Patch %	Lines
...ntend/src/components/MkTutorialDialog.PostNote.vue	0.00%	16 Missing ⚠️
.../frontend/src/components/MkTutorialDialog.Note.vue	0.00%	1 Missing ⚠️
...tend/src/components/MkTutorialDialog.Sensitive.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #586      +/-   ##
===========================================
- Coverage    19.86%   19.86%   -0.01%     
===========================================
  Files          797      797              
  Lines       123252   123268      +16     
  Branches      1041     1041              
===========================================
  Hits         24483    24483              
- Misses       98164    98180      +16     
  Partials       605      605              

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[penginn-net]

アップストリームマージの時にバブルタイムライン生えるからその時はその時で書くか迷い

[kozakura913]

TL紹介これか