Fix undefined variable usage in Draupnir config (`matrix_bot_draupnir_config_enableMakeRoomAdminCommand` -> `matrix_bot_draupnir_config_admin_enableMakeRoomAdminCommand`)

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/3389

roles/custom/matrix-bot-draupnir/templates/production.yaml.j2

@@ -138,7 +138,7 @@ admin:
   # (with enough permissions) to "make" a user an admin.
   #
   # This only works if a local user with enough admin permissions is present in the room.
-  enableMakeRoomAdminCommand: {{ matrix_bot_draupnir_config_enableMakeRoomAdminCommand | to_json }}
+  enableMakeRoomAdminCommand: {{ matrix_bot_draupnir_config_admin_enableMakeRoomAdminCommand | to_json }}
 
 # Misc options for command handling and commands
 commands: