Event name declutter

Summary:
The current event label used the event type. The type in itself can have this shape:

`ck:willMountComponent`

The event name is just 'willMountComponent'.

So, extract that piece of data instead.

Reviewed By: aigoncharov

Differential Revision: D43983728

fbshipit-source-id: e232b59cfe3eb0710e56fc9ba7f94b644b07ee74

desktop/plugins/public/ui-debugger/components/sidebar/Inspector.tsx

@@ -111,7 +111,7 @@ export const Inspector: React.FC<Props> = ({nodes, metadata}) => {
                 time: events.map((e) => {
                   return {
                     moment: e.timestamp,
-                    display: e.type,
+                    display: e.type.slice(e.type.lastIndexOf(':') + 1),
                     color: theme.primaryColor,
                     key: e.timestamp.toString(),
                   };