enhance(backend): ページ、ギャラリー、Playのモデレーション強化

[zyoshoka]

What

以下のことを行いました。

• 不適切な Page、ギャラリー、Play を管理者権限で削除できるように
• 不適切な Page、ギャラリー、Play を通報できるように
• Page、ギャラリー、Play ページの UI 修正

Why

Closes #10280
Closes #10565
Closes #13469

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

[github-actions]

このPRによるapi.jsonの差分

差分はこちら

--- base
+++ head
@@ -38129,6 +38129,15 @@
                       }
                     }
                   },
+                  "ACCESS_DENIED": {
+                    "value": {
+                      "error": {
+                        "message": "Access denied.",
+                        "code": "ACCESS_DENIED",
+                        "id": "c86e09de-1c48-43ac-a435-1c7e42ed4496"
+                      }
+                    }
+                  },
                   "INVALID_PARAM": {
                     "value": {
                       "error": {

Get diff files from Workflow Page

[codecov]

Codecov Report

Attention: Patch coverage is 13.80597% with 231 lines in your changes missing coverage. Please review.

Project coverage is 41.87%. Comparing base (e716c20) to head (624ea72).

Files	Patch %	Lines
packages/frontend/src/pages/page.vue	0.00%	68 Missing ⚠️
packages/frontend/src/pages/gallery/post.vue	0.00%	49 Missing ⚠️
packages/frontend/src/pages/flash/flash.vue	0.00%	48 Missing ⚠️
...d/src/server/api/endpoints/gallery/posts/delete.ts	30.00%	21 Missing ⚠️
...s/backend/src/server/api/endpoints/flash/delete.ts	13.63%	19 Missing ⚠️
...s/backend/src/server/api/endpoints/pages/delete.ts	13.63%	19 Missing ⚠️
...ackages/frontend/src/pages/admin/modlog.ModLog.vue	0.00%	6 Missing ⚠️
...es/frontend/src/components/MkAbuseReportWindow.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #13523      +/-   ##
===========================================
+ Coverage    40.16%   41.87%   +1.70%     
===========================================
  Files         1521     1525       +4     
  Lines       188868   195154    +6286     
  Branches      3458     3529      +71     
===========================================
+ Hits         75855    81716    +5861     
- Misses      112473   112866     +393     
- Partials       540      572      +32     

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[kakkokari-gtyih]

ページとPlayのデザインだいぶ変えちゃったので修正必要かも🙏

[kakkokari-gtyih]

👀