enhance(frontend): blueskyの投稿埋め込み表示に対応

[kakkokari-gtyih]

What

Why

Fix #14931

Additional info (optional)

• この変更で翻訳の expandTweet はXのポストだけを指すものではなくなるので、全体の翻訳を当て直すためにkeyを変更した
• summalyは別途対応が必要 Blueskyのプレビューが表示できない summaly#32

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

Attention: Patch coverage is 31.32530% with 57 lines in your changes missing coverage. Please review.

Project coverage is 19.15%. Comparing base (04b2214) to head (3bc4690).

Files with missing lines	Patch %	Lines
packages/frontend/src/components/MkUrlPreview.vue	31.32%	57 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #14933       +/-   ##
============================================
- Coverage    39.95%   19.15%   -20.81%     
============================================
  Files         1563      728      -835     
  Lines       197739   103863    -93876     
  Branches      3625      995     -2630     
============================================
- Hits         79012    19890    -59122     
+ Misses      118154    83417    -34737     
+ Partials       573      556       -17     

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

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles

[kakkokari-gtyih]

コンフリクト解消

[saschanaz]

コンフリクト解消

コンフリクトまた起きてしまってまして

[saschanaz]

embed.bsky.appとほぼ同じ行動してるのでいいと思います

（didの部分はちょっと面倒）

[kakkokari-gtyih]

コンフリクト解消

[saschanaz]

動き確認しました

[saschanaz]

（bsky、ダークモードをサポートしないのが不満）

[kakkokari-gtyih]

コンフリクト解消

[saschanaz]

（そろそろマージしてもいいかと）