feat(post-menu): add Report/Delete, reorder buttons, edit-only-for-mods, copy link 5chan.app (#1089)

* Update crypto address UI for .bso accounts

* feat(post-menu): add Report/Delete, reorder buttons, edit-only-for-mods, copy link 5chan.app

- Remove redundant reason field from edit menu (purged posts unreachable)
- Add Report post (placeholder alert) and Delete post (mobile) to post menus
- Reorder: Report, Hide, Delete, Copy x3, Image search
- Mobile edit checkbox only for mods; authors use Delete in post menu
- Copy direct link always uses 5chan.app domain
- 10px margin-top on mod menu save button

* fix(post-menu): add confirmation before delete post (Bugbot)

public/translations/ja/default.json

@@ -314,5 +314,8 @@
   "archived": "アーカイブ済み",
   "loading_archive": "アーカイブを読み込み中...",
   "thread_archived": "スレッドがアーカイブされました。",
-  "view": "表示"
+  "view": "表示",
+  "report_post": "投稿を報告",
+  "delete_post": "投稿を削除",
+  "delete_post_confirm": "Delete this post permanently? This cannot be undone."
 }