Improve terminal action hover UI

[karrtikr]

1. Improve description when only one terminal is opened:

   

   Ideally it should be the same as:

[karrtikr]

2. We should probably use markdown backticks for process description:

[karrtikr]

3. Originally posted by @amunger in terminal warning actions cannot be selected if only one terminal is open vscode-python#21129 (comment)

   also you can tell that I struggled a bit to actually click the actions in the dialog

   

[Tyriar]

1 Improve description when only one terminal is opened:

#177774

2 We should probably use markdown backticks for process description:

It was originally styled like that but it was much too large and less readable considering the default shell integration injection command line.

also you can tell that I struggled a bit to actually click the actions in the dialog

#162336

[karrtikr]

It was originally styled like that but it was much too large and less readable considering the default shell integration injection command line.

Maybe not for the whole command line but atleast for the file paths I think using backticks makes it more readable.

[Tyriar]

Args could be paths too though and the default Windows profile can be really huge: