MM-59826: Add more invalidation event types (#27719)

This came up as part of the Redis work. I noticed that a lot of new
invalidation events were missing. This is important to understand
where invalidations are coming from.

https://mattermost.atlassian.net/browse/MM-59826

```release-note
NONE
```

Co-authored-by: Mattermost Build <build@mattermost.com>

server/public/model/cluster_message.go

@@ -41,6 +41,8 @@ const (
 	ClusterEventPluginEvent                                 ClusterEvent = "plugin_event"
 	ClusterEventInvalidateCacheForTermsOfService            ClusterEvent = "inv_terms_of_service"
 	ClusterEventBusyStateChanged                            ClusterEvent = "busy_state_change"
+	// Note: if you are adding a new event, please also add it in the slice of
+	// m.ClusterEventMap in metrics/metrics.go file.
 
 	// Gossip communication
 	ClusterGossipEventRequestGetLogs            = "gossip_request_get_logs"