Fix error Jinja variable 'str object' has no attribute 'host'

Attempting to deploy php/application.php.dist in Salt results in the following error:

----------
          ID: panel_minersrealm_net_multicraft_config
    Function: file.managed
        Name: /srv/www/panel_minersrealm_net/php/application.php
      Result: False
     Comment: Unable to manage file: Jinja variable 'str object' has no attribute 'host'
     Started: 15:25:35.286957
    Duration: 15.157 ms
     Changes: