Closing the last tab doesn't close the Terminal

[zadjii-msft]

From #460:

Closing the terminal when the last tab is closed is also something we should be doing, but that might be a bit trickier of a PR. I think we're manually suppressing the close action on the last tab currently, but that could be replaced with just closing the app (somehow).

[mdtauk]

You could disable the tabs ability to close when it is the only tab, so to exit you must click on the close button on the window itself

[tkmikan]

With "alwaysShowTabs": true, the terminal is closed after a middle/wheel click at the last tab, but it takes about 3-5 sec or more.
(nothing happens when clicking the close button of the last tab).

[bef178]

Do we settle what is the expected behavior?

[zadjii-msft]

@mdtauk that seems like a good and reasonable setting, like preventing accidental closing with Ctrl+W.

@tkmikan I believe the behavior you're seeing is that the terminal actually crashes when you middle click the last tab. I believe that fix is #648, though that just prevents closing the last tab with middle click.

Should closing the last tab with the tab's close button and Ctrl+W be enabled, we should also make sure it's possible to close the last tab with middle-click again.

[DHowett-MSFT]

I believe this is done? Somebody fact-check me?