Option to abort when pressing debug and can't connect

[jasonwilliams]

Is your feature request related to a problem? Please describe.
Sometimes I hit debug (the green play button in the launch view) before realising my debug target is not bound to a port. However VS Code seems to be spinning (blue line going left to right) and there seems to be no way to abort the process.

The way I get around it today is by quitting VS Code and reopening it, but that's not great.
Sometimes it will timeout on its own but I don't want to sit waiting for that.,

Describe the feature you'd like
Can we change the UI to add the option to abort, for when hitting the play button can it change to a red square (even when connecting) then hitting that red square aborts the debug session.