bug#69691: 30.0.50; vc-pull buffer doesn't fontify links after refresh

[Eli Zaretskii]

> Date: Sun, 10 Mar 2024 11:35:17 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> New VCS output inserted after the compilation buffer created by a
> `vc-pull' command is refreshed (by selecting "refresh" from tool bar,
> for instance) is not fontified as such but as ordinary compiler output,
> and file names inside are not clickable.  This is a bug, since no
> compelling reason exists to treat VCS commands as compilers once they
> are executed a second time.

Please provide a recipe for reproducing the problem starting from
"emacs -Q".  The above description is too terse and lacks crucial
details, like the stuff you see in the buffer, which parts are not
fontified and/or not clickable, etc.

Thanks.