perf: remove all delays, set iframe src directly in HTML for max speed

resources/themes/dusk/views/client/nitro.blade.php

@@ -658,7 +658,6 @@
     (function() {
         var overlay = document.getElementById('clientOverlay');
         var iframe = document.getElementById('nitro');
-        var startTime = Date.now();
         var hidden = false;
         function hideOverlay() {
             if (!hidden) {
@@ -673,9 +672,7 @@
                     var doc = iframe.contentDocument || iframe.contentWindow?.document;
                     if (doc && doc.querySelector('canvas')) {
                         clearInterval(poll);
-                        var elapsed = Date.now() - startTime;
-                        var minWait = Math.max(0, 3000 - elapsed);
-                        setTimeout(hideOverlay, minWait);
+                        hideOverlay();
                     }
                 } catch(e) {}
             }, 200);
@@ -685,20 +682,9 @@
     </script>
     @endif
 
-    <iframe id="nitro" src="about:blank" data-src="{{ $nitroUrl }}"
+    <iframe id="nitro" src="{{ $nitroUrl }}"
         class="absolute top-0 left-0 m-0 h-full w-full overflow-hidden border-none p-0"></iframe>
 
-    <script>
-    (function() {
-        var iframe = document.getElementById('nitro');
-        if (iframe && (!iframe.src || iframe.src === 'about:blank')) {
-            setTimeout(function() {
-                iframe.src = iframe.getAttribute('data-src');
-            }, 500);
-        }
-    })();
-    </script>
-
     {{-- Disconnected Message --}}
     <div id="disconnected" class="hidden" style="position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 10000;">
         <div style="position: absolute; width: 100%; height: 100%; background: rgba(0,0,0,0.7);"></div>