[MM-60605] Fix the Download button being hidden on Windows/Linux (#3148)

* [MM-60605] Fix missing downloads/developer mode icon hidden on Linux and Windows

* Disable for mac

* Fix lint

* Fix misalignment on Windows

* "fix" linux

* Return to inline version, ignore Linux

src/types/window.ts

@@ -155,4 +155,10 @@ declare global {
             };
         };
     }
+
+    interface Navigator {
+        windowControlsOverlay?: {
+            getTitlebarAreaRect: () => DOMRect;
+        };
+    }
 }