Added error code in safety limit error (#26585)

* Update error text

* Typo

* Update server/i18n/en.json

Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>

---------

Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>

server/i18n/en.json

@@ -4180,7 +4180,7 @@
   },
   {
     "id": "api.user.create_user.user_limits.exceeded",
-    "translation": "Can't create user. Server exceeds safe user limit. Contact your system administrator."
+    "translation": "Can't create user. Server exceeds safe user limit. Contact your administrator with: ERROR_SAFETY_LIMITS_EXCEEDED."
   },
   {
     "id": "api.user.delete_channel.not_enabled.app_error",
@@ -7184,7 +7184,7 @@
   },
   {
     "id": "app.user.update_active.user_limit.exceeded",
-    "translation": "Can't activate user. Server exceeds safe user limit. Contact your system administrator. Error code: ERROR_SAFETY_LIMITS_EXCEEDED."
+    "translation": "Can't activate user. Server exceeds safe user limit. Contact your administrator with: ERROR_SAFETY_LIMITS_EXCEEDED."
   },
   {
     "id": "app.user.update_active_for_multiple_users.updating.app_error",