fix: Update throttle for /meta endpoints, will call every 2s for small account, 10s for large accounts (#11190)

This update improves the throttling mechanism for conversation meta
requests to optimize server load and enhance performance. The changes
implement differentiated thresholds based on account size - a 2-second
throttle for small accounts (≤100 conversations) and a 10-second
throttle for large accounts (>100 conversations).

Fixes #11178

app/javascript/dashboard/helper/ConversationMetaThrottleManager.js

@@ -0,0 +1,29 @@
+class ConversationMetaThrottleManager {
+  constructor() {
+    this.lastUpdatedTime = null;
+  }
+
+  shouldThrottle(threshold = 10000) {
+    if (!this.lastUpdatedTime) {
+      return false;
+    }
+
+    const currentTime = new Date().getTime();
+    const lastUpdatedTime = new Date(this.lastUpdatedTime).getTime();
+
+    if (currentTime - lastUpdatedTime < threshold) {
+      return true;
+    }
+    return false;
+  }
+
+  markUpdate() {
+    this.lastUpdatedTime = new Date();
+  }
+
+  reset() {
+    this.lastUpdatedTime = null;
+  }
+}
+
+export default new ConversationMetaThrottleManager();