MM-4998 Adding LoginIdAttribute to allow LDAP users to change their login ID without losing their account (#8756)

* Adding LoginIdAttribute

* Modifying LDAP to use loginIDAttribute.

* Adding IDAttribute migration and AD objectGUID support.

* Removing unused idea.

* Fix typo.

i18n/en.json

@@ -5018,6 +5018,10 @@
     "id": "model.config.is_valid.ldap_id",
     "translation": "AD/LDAP field \"ID Attribute\" is required."
   },
+  {
+    "id": "model.config.is_valid.ldap_login_id",
+    "translation": "AD/LDAP field \"Login ID Attribute\" is required."
+  },
   {
     "id": "model.config.is_valid.ldap_lastname",
     "translation": "AD/LDAP field \"Last Name Attribute\" is required."