Change "or" translatable (#6597)

config/locales/en.yml

@@ -370,6 +370,7 @@ en:
     logout: Logout
     migrate_account: Move to a different account
     migrate_account_html: If you wish to redirect this account to a different one, you can <a href="%{path}">configure it here</a>.
+    or: or
     or_log_in_with: Or log in with
     providers:
       cas: CAS