Ignore stage names in `dockerfile verify`

[slmsbrhgn]

Summary

Fixes #3880, allowing dockerfile verify to validate Dockerfiles where stage names are used in FROM statements

Release Note

• Fixed bug that made dockerfile verify fail when a stage name was used in FROM statement

Documentation

N/A

[MrCrayfish]

You should be able to rebind "Close Inventory" to B. That simulates pressing the ESC key. I am not sure what version you are using, but if It's anything lower than the 1.20.1 version, you probably won't be able to change it.