feat(video): Reset view on every YouTube video menu

The row that sets a video back to fresh (its state row and resume point both
go) was only on the feed's cards. It is now on Home's shelves, a Playlists
row's menu and the player's related list too, and is named "Reset view" /
"Megtekintés visszaállítása".

frontend/src/features/player/RelatedVideos.tsx

@@ -25,7 +25,7 @@ import Tooltip from "../../components/ui/Tooltip";
 import VideoCard from "../video/VideoCard";
 import { VideoMenu } from "../video/VideoMenu";
 import { announceVideoState } from "../video/stateNotice";
-import { writeVideoState, writeWatchLater } from "../video/videoWrites";
+import { resetVideoState, writeVideoState, writeWatchLater } from "../video/videoWrites";
 import { msg } from "../../lib/notifications";
 
 /** Which list YouTube fills in — on the video's topic or with what trends in Hungary — is a mood,
@@ -106,6 +106,21 @@ export function RelatedVideos({
       });
   };
 
+  const onResetState = (id: string) => {
+    const seq = begin(id, { status: "new", position_seconds: 0 });
+    const write = resetVideoState(qc, id);
+    onWrite?.(write);
+    write
+      .then(() => {
+        settle(seq);
+        void qc.invalidateQueries({ queryKey: qk.feed(), refetchType: "none" });
+      })
+      .catch((e: unknown) => {
+        notifyActionError(e, msg("errors.writeFailed.videoReset"));
+        settle(seq);
+      });
+  };
+
   const onToggleSave = (id: string, saved: boolean) => {
     const seq = begin(id, { saved });
     const write = writeWatchLater(qc, id, saved);
@@ -231,7 +246,7 @@ export function RelatedVideos({
           )}
         </>
       )}
-      <VideoMenu menu={menu} handlers={{ onState, onToggleSave, onOpen: open }} />
+      <VideoMenu menu={menu} handlers={{ onState, onToggleSave, onResetState, onOpen: open }} />
     </section>
   );
 }