Clean option not always available

[strayr]

Version 2.1.31

Expected behaviour: Button for 'clean' should always be available

Observed behaviour: Clean not available until after a build

Impact Build fails, or worse, build succeeds but resultant firmware behaves unexpectedly

Workaround Build, clean, build or manual scrub

steps to reproduce: build. close VS code, open VS code, build, crying at any stage during this procedure optional