fix conditional

roles/matrix-common-after/tasks/awx_post.yml

@@ -38,7 +38,7 @@
 
 - name: Create user account @mjolnir
   command: |
-    /usr/local/bin/matrix-synapse-register-user mjolnir {{ matrix_awx_mjolnir-bot_user_password | quote }} 0
+    /usr/local/bin/matrix-synapse-register-user mjolnir {{ matrix_awx_mjolnir_user_password | quote }} 0
   register: cmd
   when: not matrix_awx_mjolnir_user_created|bool
   no_log: True