[LyX/master] Fixup 7f1b1729: restore lazy caret handling

[Scott Kostyshak]

On Mon, Jun 26, 2023 at 03:44:51AM -0400, Scott Kostyshak wrote:
> On Mon, Jun 26, 2023 at 09:20:17AM +0200, Jean-Marc Lasgouttes wrote:
> > Le 25/06/2023 à 13:05, Scott Kostyshak a écrit :
> > > My main motivation is to annoy JMarc with issues that no one else notices :)
> > 
> > And you are good at it :)
> > 
> > Does it happens only on this line, or also at the start of the previous one?
> > Looks like an off-by-one calculation when clearing the row.
> 
> It happens on the previous line as well. I just thought it was more noticeable (less unnoticeable) to give the reproduction steps using that line.

JMarc, should I open an issue for this? It's not important, so not
something we need to look at before 2.4.0.

Also note that I can only reproduce the issue if I zoom in enough
(although I don't have to zoom in so far).

Scott