Shared seek model

Shared/Player/Controls/OSD/Seek.swift

@@ -7,7 +7,7 @@ struct Seek: View {
     #endif
 
     @EnvironmentObject<PlayerControlsModel> private var controls
-    @EnvironmentObject<SeekModel> private var model
+    @StateObject private var model = SeekModel.shared
 
     private var updateThrottle = Throttle(interval: 2)
 

Shared/Player/VideoPlayerView.swift

@@ -461,7 +461,6 @@ struct VideoPlayerView: View {
 struct VideoPlayerView_Previews: PreviewProvider {
     static var previews: some View {
         VideoPlayerView()
-            .environmentObject(SeekModel())
             .injectFixtureEnvironmentObjects()
     }
 }