adjust fullscreen player z-indexes back

- the modal needs to appear above
- instead, move the titlebar controls z-index under the fullscreen players

src/renderer/router/titlebar-outlet.module.css

@@ -2,7 +2,7 @@
     position: absolute;
     top: 0;
     right: 0;
-    z-index: 5000;
+    z-index: 195;
     height: 65px;
     -webkit-app-region: drag;
 }