Fix Qt player by providing temporary overlay object

- In Qt environment, provide temporary window.overlay with log function
- This prevents errors from template's console.log override that runs immediately
- Qt's overlay.js will later replace this with the full overlay object

mbetterclient/web_dashboard/static/js/overlay-web-adapter.js

@@ -54,9 +54,18 @@
         return true;
     };
     
-    // If already in Qt environment, load Qt scripts and exit
+    // If already in Qt environment, load Qt scripts and provide temporary overlay
     if (isQtEnvironment) {
         originalConsoleLog('[WebAdapter] Qt environment detected, loading Qt scripts');
+        
+        // Provide temporary overlay object with log function until Qt's overlay.js loads
+        // This prevents errors from template's console.log override that runs immediately
+        window.overlay = window.overlay || {
+            log: function(message) {
+                originalConsoleLog('[Overlay]', message);
+            }
+        };
+        
         // Load Qt scripts when DOM is ready
         if (document.readyState === 'loading') {
             document.addEventListener('DOMContentLoaded', window.loadQtScripts);