fix cornerRadius menu

Signed-off-by: Marino Faggiana <marino@marinofaggiana.com>

iOSClient/Menu/NCMenu+FloatingPanel.swift

@@ -75,7 +75,8 @@ class NCMenuPanelController: FloatingPanelController {
         self.surfaceView.backgroundColor = .systemBackground
         self.isRemovalInteractionEnabled = true
         self.backdropView.dismissalTapGestureRecognizer.isEnabled = true
-        self.surfaceView.layer.cornerRadius = 16
+        self.surfaceView.layer.cornerRadius = 14
+        self.surfaceView.clipsToBounds = true
 
         surfaceView.grabberHandle.accessibilityLabel = NSLocalizedString("_cart_controller_", comment: "")