refactor: move WaterfoxGlue initialization earlier in startup

browser/components/BrowserGlue.sys.mjs

@@ -401,6 +401,8 @@ BrowserGlue.prototype = {
     }
 
     lazy.DesktopActorRegistry.init();
+
+    WaterfoxGlue.init();
   },
 
   // cleanup (called on application shutdown)
@@ -430,8 +432,6 @@ BrowserGlue.prototype = {
   _beforeUIStartup: function BG__beforeUIStartup() {
     lazy.SessionStartup.init();
 
-    WaterfoxGlue.init();
-
     // check if we're in safe mode
     if (Services.appinfo.inSafeMode) {
       Services.ww.openWindow(