Cloud Freemium - Integrations (#20185)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/websocket_message.go

@@ -76,6 +76,7 @@ const (
 	WebsocketEventThreadFollowChanged                 = "thread_follow_changed"
 	WebsocketEventThreadReadChanged                   = "thread_read_changed"
 	WebsocketFirstAdminVisitMarketplaceStatusReceived = "first_admin_visit_marketplace_status_received"
+	WebsocketEventIntegrationsUsageChanged            = "integrations_usage_changed"
 )
 
 type WebSocketMessage interface {