The media gallery modal is using a z-index value of 120. The drupal admin toolbar is using a z-index value of 5000, set by the base theme. Even if the base theme would not set this high z-index value, the default would be 502 for the toolbar.
Because of this, the close button is not available for the media gallery, when the toolbar is displayed:
Not sure if this should be fixed in the theme or in BCL, but posting it here as this is a Drupal related issue so the theme seems more relevant.
The media gallery modal is using a z-index value of 120. The drupal admin toolbar is using a z-index value of 5000, set by the base theme. Even if the base theme would not set this high z-index value, the default would be 502 for the toolbar.
Because of this, the close button is not available for the media gallery, when the toolbar is displayed:
Not sure if this should be fixed in the theme or in BCL, but posting it here as this is a Drupal related issue so the theme seems more relevant.