Fix: Remove duplicate controls in QuadVideoPlayer

- Hide default OverlayVideoPlayer controls (.video-controls)
- Hide large play button overlay (.play-overlay)
- Keep only the new custom individual controls per quadrant
- Clean interface with single set of controls that appear on hover

src/features/media/quadVideoPlayer.js

@@ -181,6 +181,18 @@ class QuadVideoPlayer {
             closeBtn.style.display = 'none';
         }
 
+        // Hide the default video controls since we're adding our own
+        const defaultControls = player.overlayElement.querySelector('.video-controls');
+        if (defaultControls) {
+            defaultControls.style.display = 'none';
+        }
+
+        // Hide the large play button overlay since we have our own controls
+        const playOverlay = player.overlayElement.querySelector('.play-overlay');
+        if (playOverlay) {
+            playOverlay.style.display = 'none';
+        }
+
         // Create individual controls for this quadrant
         this.createIndividualControls(player, index);