Use request.CTX instead of *request.Context (#24877)

* Use request.CTX instead of *request.Context

* Fix tests

server/channels/app/admin_advisor.go

@@ -241,7 +241,7 @@ func (a *App) setWarnMetricsStatusForId(rctx request.CTX, warnMetricId string, s
 	return nil
 }
 
-func (a *App) RequestLicenseAndAckWarnMetric(c *request.Context, warnMetricId string, isBot bool) *model.AppError {
+func (a *App) RequestLicenseAndAckWarnMetric(c request.CTX, warnMetricId string, isBot bool) *model.AppError {
 	if *a.Config().ExperimentalSettings.RestrictSystemAdmin {
 		return model.NewAppError("RequestLicenseAndAckWarnMetric", "api.restricted_system_admin", nil, "", http.StatusForbidden)
 	}