fix: remove conditional clearQueue for manual processing

Co-authored-by: Claude <noreply@anthropic.com>

mobile/apps/photos/lib/services/video_preview_service.dart

@@ -260,7 +260,7 @@ class VideoPreviewService {
         "Pause preview due to disabledSteaming($isVideoStreamingEnabled) or computeController permission) - isManual: $isManual",
       );
       if (isVideoStreamingEnabled) _logger.info("No permission to run compute");
-      if (!isManual) clearQueue(); // Only clear queue for automatic processing
+      clearQueue();
       return;
     }