メンションの前に:がつくとメンションできない問題を修正

[nokhnaton]

No description provided.

[github-actions]

Preview (prod) → https://4399-prod.traq-preview.trapti.tech/
Preview (dev) → https://4399-dev.traq-preview.trapti.tech/

[Pugma]

実装は概ね良さそうだと思いますが、テストコードの編集がされてなさそうです
/tests/unit/lib/markdown/internalLinkEmbeddeder.spec.ts への反映もお願いします！

[nokhnaton]

テスト追加しました～!

[codecov]

Codecov Report

Attention: Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.

Project coverage is 8.91%. Comparing base (b15080a) to head (c36e5ad).
Report is 216 commits behind head on master.

Files with missing lines	Patch %	Lines
src/lib/markdown/internalLinkEmbedder.ts	76.92%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           master   #4399      +/-   ##
=========================================
- Coverage    8.93%   8.91%   -0.02%     
=========================================
  Files         671     672       +1     
  Lines       29658   29765     +107     
  Branches      528     533       +5     
=========================================
+ Hits         2649    2654       +5     
- Misses      27003   27104     +101     
- Partials        6       7       +1     

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[Pugma]

レビュー大変遅くなりました
こちら大丈夫だと思います！