Fix overflow issue

lib/controls/audio_video/media_kit_av_control.dart

@@ -70,6 +70,10 @@ class _MediaKitAvControlState extends State<MediaKitAvControl> {
     setState(() {});
   }
 
+  double get height => widget.height - 50;
+
+  double get width => widget.width;
+
   @override
   Widget build(BuildContext context) {
     print('Building MediaKit Control');
@@ -86,8 +90,8 @@ class _MediaKitAvControlState extends State<MediaKitAvControl> {
         children: [
           Video(
             controller: controller,
-            width: widget.width,
-            height: widget.height,
+            width: width,
+            height: height,
           ),
           Row(
             children: [