feat(ui): add remove all missing files functionality (#4108)

* Add remove all missing files feature

* test: update mediafile_repository tests for missing files deletion

Signed-off-by: Deluan <deluan@navidrome.org>

---------

Signed-off-by: Deluan <deluan@navidrome.org>

ui/src/i18n/en.json

@@ -241,7 +241,8 @@
         "updatedAt": "Disappeared on"
       },
       "actions": {
-        "remove": "Remove"
+        "remove": "Remove",
+        "remove_all": "Remove All"
       },
       "notifications": {
         "removed": "Missing file(s) removed"
@@ -403,6 +404,8 @@
     "delete_user_content": "Are you sure you want to delete this user and all their data (including playlists and preferences)?",
     "remove_missing_title": "Remove missing files",
     "remove_missing_content": "Are you sure you want to remove the selected missing files from the database? This will remove permanently any references to them, including their play counts and ratings.",
+    "remove_all_missing_title": "Remove all missing files",
+    "remove_all_missing_content": "Are you sure you want to remove all missing files from the database? This will permanently remove any references to them, including their play counts and ratings.",
     "notifications_blocked": "You have blocked Notifications for this site in your browser's settings",
     "notifications_not_available": "This browser does not support desktop notifications or you are not accessing Navidrome over https",
     "lastfmLinkSuccess": "Last.fm successfully linked and scrobbling enabled",