MT#63673 Remove adminOnly check from /user/seats

Remove the adminOnly check on this route.
Access to this page should be permitted for
PBX users, regardless of their admin status.

Change-Id: Ida69f96acc1e15b8779df7893202519450c77ff3
(cherry picked from commit f0bc84584b)

src/router/routes.js

@@ -139,7 +139,6 @@ const routes = [
                     get title () {
                         return i18n.global.t('Seats')
                     },
-                    adminOnly: true,
                     platformFeature: FEATURES.cloudPbx,
                     capability: FEATURES.cloudPbx,
                     licenses: [LICENSES.pbx]