Hide entire frame unless the VM has not started

Stop action menu focus stealing keyboard events from the VM

Green flag overlay to start in player mode

Update scratch-render to the latest version 

Update scratch-paint to the latest version 

Update scratch-vm to the latest version 

The functionality was all moved to the Controls container, these containers are no longer used

Update scratch-svg-renderer to the latest version 

Update scratch-render to the latest version 

do not attempt to autosave on gui unmounting

Fixes issue #3269

chore(package): update chromedriver to version 2.44.0

Do not change to backdrops tab after adding a backdrop.

Expand on the backdrop integration test to make sure this is documented/tested behavior

Update scratch-vm to the latest version 

Alerts CSS width changes and hardware alerts localization

Closes #3854

restored close button styling; make close button appear on alert errors

Add rename and delete functionality for cloud variables

Library 100% height fix