Fix Viewscene input ports

[jessdtate]

Viewscene should pull data from the ports when it is connected like other modules. There are some complications. This will simplify execute. Recent fixes in the VS module should make this possible now.

[jessdtate]

stems from #1891

[github-actions]

Stale issue message

[dcwhite]

This needs to wait until the locking/screenshot logic is in place and stable, see #2015

[github-actions]

This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 60 days.