feat(tvos): add custom image metadata option for tvos and add missing types for custom metadata properties (#3280)

* fix: add typescript types for custom metadata properties
* chore: add possibility to override image metadata of video playback

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Co-authored-by: Olivier Bouillet <62574056+freeboub@users.noreply.github.com>

src/Video.tsx

@@ -143,6 +143,10 @@ const Video = forwardRef<VideoRef, ReactVideoProps>(
         requestHeaders: resolvedSource?.headers || {},
         startTime: resolvedSource.startTime || 0,
         endTime: resolvedSource.endTime,
+        title: resolvedSource.title,
+        subtitle: resolvedSource.subtitle,
+        description: resolvedSource.description,
+        customImageUri: resolvedSource.customImageUri,
       };
     }, [source]);