Disable the 'Deploy' button whilst filters are being refreshed and affected tenants loaded
Whilst in the deployment screen, the 'Deploy' button should be disabled whilst filters are being refreshed and affected tenants loaded.
With the current functionality, it's very easy for a user to add a tag filter and not realise that additional tenants have been included, but are not yet visible in the 'Preview and Customize' section. The loading bar at the top of the box is subtle and easy to miss.
Once affected tenants have been refreshed, the button should be enabled again.