thumbails fix

lib/pages/videos/gestor_videos_page.dart

@@ -386,7 +386,7 @@ class _GestorVideosPageState extends State<GestorVideosPage> {
                               fit: BoxFit.cover,
                             )
                           : _buildThumbnailPlaceholder(),
-                  // Overlay con icono de play
+                  // Overlay con gradiente
                   Positioned.fill(
                     child: Container(
                       decoration: BoxDecoration(
@@ -399,20 +399,6 @@ class _GestorVideosPageState extends State<GestorVideosPage> {
                           ],
                         ),
                       ),
-                      child: Center(
-                        child: Container(
-                          padding: const EdgeInsets.all(6),
-                          decoration: BoxDecoration(
-                            color: Colors.white.withOpacity(0.9),
-                            shape: BoxShape.circle,
-                          ),
-                          child: Icon(
-                            Icons.play_arrow_rounded,
-                            size: 16,
-                            color: AppTheme.of(context).primaryColor,
-                          ),
-                        ),
-                      ),
                     ),
                   ),
                 ],