Wanted Monitor/Unmonitor Selected button fixed (#528)

* the button was not changing based on the filter selection

nor was it properly carrying out its function.

It should now work.

this code was ported from Sonarr:

https://github.com/Sonarr/Sonarr/commit/979fc436ab88be6e0c9a3f1a721eb3b47d85c218

* indents/spaces/formtting

frontend/src/Components/SignalRConnector.js

@@ -202,6 +202,8 @@ class SignalRConnector extends Component {
 
     if (body.action === 'updated') {
       this.props.dispatchUpdateItem({ section, ...body.resource });
+      // Repopulate the page to handle recently imported file
+      repopulatePage('trackFileUpdated');
     } else if (body.action === 'deleted') {
       this.props.dispatchRemoveItem({ section, id: body.resource.id });
     }