[MM-46579] Add a limit for preferences (#21780)

* add a limit for preferences

* add limits to preferences

* add config to telemetry

* remove unneeded tags from config

services/telemetry/telemetry.go

@@ -460,6 +460,7 @@ func (ts *TelemetryService) trackConfig() {
 		"post_priority":                                           *cfg.ServiceSettings.PostPriority,
 		"self_hosted_purchase":                                    *cfg.ServiceSettings.SelfHostedPurchase,
 		"allow_synced_drafts":                                     *cfg.ServiceSettings.AllowSyncedDrafts,
+		"experimental_max_user_preferences":                       *cfg.ServiceSettings.ExperimentalMaxUserPreferences,
 	})
 
 	ts.SendTelemetry(TrackConfigTeam, map[string]any{