[MM-41147] Remove cloud sysadmin access to migrate config API (#19373)

* remove cloud sysadmin access to migrate config API

* reflect review comments

* Update i18n/en.json

Co-authored-by: Claudio Costa <cstcld91@gmail.com>

Co-authored-by: Claudio Costa <cstcld91@gmail.com>

api4/config.go

@@ -407,6 +407,12 @@ func migrateConfig(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	isCloud := c.App.Srv().License() != nil && *c.App.Srv().License().Features.Cloud
+	if isCloud {
+		c.Err = model.NewAppError("migrateConfig", "api.config.migrate_config_restricted.app_error", nil, "", http.StatusForbidden)
+		return
+	}
+
 	err := config.Migrate(from, to)
 	if err != nil {
 		c.Err = model.NewAppError("migrateConfig", "api.config.migrate_config.app_error", nil, err.Error(), http.StatusInternalServerError)