fix(portals): a collection series never passes as the resolving movie

The collection's selected movie id is reported only while the shown item
is a movie, so a series with the same provider number cannot let a stale
external launch start over it.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

libs/portal/stalker/feature/src/lib/stalker-collection-playback.controller.ts

@@ -128,7 +128,12 @@ export class StalkerCollectionPlaybackController {
         externalPlayback: this.config.externalPlayback,
         playbackPositions: this.config.playbackPositions,
         playlistId: () => this.playbackOwner()?.sourceId,
-        selectedVodId: () => Number(this.playbackOwner()?.contentId) || null,
+        // Movie and series ids collide: a series now on screen must not
+        // pass as the movie whose link is still resolving.
+        selectedVodId: () =>
+            this.config.item()?.contentType === 'movie'
+                ? Number(this.playbackOwner()?.contentId) || null
+                : null,
         selectedVodPosition: this.selectedVodPosition,
         discardPendingPositionLoad: () =>
             this.vodPlayback.discardPendingPositionLoad(),