bug#1305: All code that currently beeps should use visual bell instead

[Stefan Kangas]

Gregory Heytings <gregory@heytings.org> writes:

>> The docstring isn't clear what "blinking" means, but they briefly set
>> the *foreground* color to red (or whatever color `error' is configured
>> to be).
>
> The foreground of the whole buffer?  IMO that's very intrusive for a
> default.  Also, this isn't the default Doom behavior, I just checked and
> doom-visual-bell is an optional extension.

No, only the foreground of the mode-line.