videoView: force redraw

If window closed when video running metal view redrawing will broke.
This patch force view redraw after setting a new frame.

Change-Id: If6f1266510061dd7b9d04e95cacf58395fdb4220

src/RingWindowController.mm

@@ -178,7 +178,6 @@ typedef NS_ENUM(NSInteger, ViewState) {
     [chooseAccountVC updateWithDelegate: self andModel:self.accountModel];
     settingsVC = [[AccountSettingsVC alloc] initWithNibName:@"AccountSettings" bundle:nil accountmodel:self.accountModel];
     [callView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
-    [[currentCallVC view] setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
     [[conversationVC view] setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
     [[settingsVC view] setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 

src/views/CallMTKView.mm

@@ -215,6 +215,7 @@ bool frameDisplayed = false;
     [commandEncoder endEncoding];
     [commandBuffer presentDrawable:drawable];
     [commandBuffer commit];
+    [self draw];
 }
 
 -(simd::float4x4) getScalingMatrix:(CGFloat) ratio axis:(char) axis {