fix: prevent livereload from calling npm run build in the loop more t…

…han once

This happened when multiple tabs where opened as the loop did not check if execution has already run

LiveReload.php

@@ -202,17 +202,19 @@ public function watch()
 
     // start loop
     $start = time();
+    $executed = false;
     while (true) {
       $file = $this->findModifiedFile($start);
 
       // file changed
-      if ($file && $debug) {
+      if (!$executed && $file && $debug) {
         $this->wire->log->save('livereload', "File changed: $file", $opt);
         if ($build) {
           $cmd = "npm run build";
           $this->wire->log->save('livereload', "Rebuilding tailwind with '$cmd'", $opt);
           exec($cmd);
         }
+        $executed = true;
       }
 
       // send trigger to frontend