fix ts lint warning: Strings must use singlequote

frontend/src/components/dialog/UserSelectBox.vue

@@ -55,7 +55,7 @@ export default {
     ];
 
     const fetchUsers = async () => {
-      const result = await api.get(`api/v1/users`);
+      const result = await api.get('api/v1/users');
       return result.data.data.map((item: any) => {
         return { id: item.id, firstName: item.first_name, lastName: item.last_name, email: item.email, isSuperuser: item.is_superuser, isActive: item.is_active, roles: item.roles.map(role => role.id) }
       }).filter(user => !props.filterInitRowsFunc || props.filterInitRowsFunc(user));