Redesign video player (#4911)

* Redesign video player

* Use new video player on static public pages too

* Use media gallery component on static public pages too

* Pause video when hiding it

* Full-screen sizing on WebKit

* Add aria labels to video player buttons

* Display link card on public status page

* Fix fullscreen from modal sizing issue

* Remove contain: strict property to fix fullscreen from columns

app/javascript/mastodon/locales/de.json

@@ -33,6 +33,7 @@
   "column.home": "Startseite",
   "column.mutes": "Stummgeschaltete Profile",
   "column.notifications": "Mitteilungen",
+  "column.pins": "Pinned toot",
   "column.public": "Gesamtes bekanntes Netz",
   "column_back_button.label": "Zurück",
   "column_header.hide_settings": "Einstellungen verbergen",
@@ -109,6 +110,7 @@
   "navigation_bar.info": "Erweiterte Informationen",
   "navigation_bar.logout": "Abmelden",
   "navigation_bar.mutes": "Stummgeschaltete Profile",
+  "navigation_bar.pins": "Pinned toots",
   "navigation_bar.preferences": "Einstellungen",
   "navigation_bar.public_timeline": "Föderierte Zeitleiste",
   "notification.favourite": "{name} favorisierte deinen Status",
@@ -193,6 +195,15 @@
   "upload_button.label": "Mediendatei hinzufügen",
   "upload_form.undo": "Entfernen",
   "upload_progress.label": "Lade hoch…",
+  "video.close": "Close video",
+  "video.exit_fullscreen": "Exit full screen",
+  "video.expand": "Expand video",
+  "video.fullscreen": "Full screen",
+  "video.hide": "Hide video",
+  "video.mute": "Mute sound",
+  "video.pause": "Pause",
+  "video.play": "Play",
+  "video.unmute": "Unmute sound",
   "video_player.expand": "Videoanzeige vergrößern",
   "video_player.toggle_sound": "Ton umschalten",
   "video_player.toggle_visible": "Sichtbarkeit umschalten",