Close PiP when a passcode lock is enabled.

Telegram/SourceFiles/core/application.cpp

@@ -1118,10 +1118,11 @@ void Application::updateWindowTitles() {
 }
 
 void Application::lockByPasscode() {
+	_passcodeLock = true;
 	enumerateWindows([&](not_null<Window::Controller*> w) {
-		_passcodeLock = true;
 		w->setupPasscodeLock();
 	});
+	hideMediaView();
 }
 
 void Application::maybeLockByPasscode() {