Qt: replace availableGeometry with geometry()

availableGeometry excludes the taskbar or any other system reserved areas. Ultimately, showFullscreen() fixes this anyways, but using geometry() is more correct.

Also, fixed coding style error by removing braces.

Author: jasaaved

pcsx2-qt/MainWindow.cpp

@@ -2582,9 +2582,7 @@ void MainWindow::createDisplayWidget(bool fullscreen, bool render_to_main)
 
 #ifdef DISPLAY_SURFACE_WINDOW
 		if (isVisible() && g_emu_thread->shouldRenderToMain())
-		{
-			m_display_surface->setGeometry(screen()->availableGeometry());
-		}
+			m_display_surface->setGeometry(screen()->geometry());
 		else
 			restoreDisplayWindowGeometryFromConfig();