refactor: enhance image preloading logic in InlineCssPlugin for better performance and clarity

src/services/SocketManager.js

@@ -28,17 +28,13 @@ class SocketManager {
     }
     this.pendingListeners.get(event).add(callback);
     
-    // If not already connecting, initiate connection
-    if (!this.connectPromise) {
-      this.connect();
-    }
-    
     // Register the listener now, it will receive events once connected
     this.socket.on(event, callback);
   }
   
   off(event, callback) {
     // Remove from socket listeners
+    console.log('off', event, callback);
     this.socket.off(event, callback);
     
     // Remove from pending listeners if present