fix: Fix the problem on display of menu on FF
fix: Fix the problem on display of menu on FF

gravitee-io/gravitee-management-webui,gravitee-io/gravitee-management-webui,lauthieb/gravitee-management-webui,lauthieb/gravitee-management-webui,gravitee-io/gravitee-management-webui,lauthieb/gravitee-management-webui