UI: Fix telemetry filter

CHANGELOG.md

@@ -52,7 +52,7 @@ Changelog](https://keepachangelog.com/en/1.0.0/).
   them was the same. #1514
 - ATT&CK report bug that said that the technique "`.bash_profile` and `.bashrc`" was not attempted
   when it actually was attempted but failed. #1511
-
+- Telemetry bug that caused filtering to automatically refresh itself, periodically. #1392
 
 ### Security
 - Generate a random password when creating a new user for CommunicateAsNewUser

monkey/monkey_island/cc/ui/src/components/pages/TelemetryPage.js

@@ -33,6 +33,15 @@ class TelemetryPageComponent extends AuthComponent {
       .then(res => this.setState({data: res.objects}));
   };
 
+  shouldComponentUpdate(_, nextState) {
+    if (nextState.data.length > this.state.data.length)
+    {
+      return true;
+    }
+
+    return false;
+  }
+
   downloadIslandLog = () => {
     this.authFetch('/api/log/island/download')
       .then(res => res.json())