[LyX/master] Show full inset context-menu when clicking on text part of collapsible (#10370)

[Pavel Sanda]

On Mon, Jun 03, 2024 at 02:12:31PM +0000, Juergen Spitzmueller wrote:
> commit 7a85b1b7caeb3fb390aa488d7061e29b9a77cc6b
> Author: Juergen Spitzmueller <spitz at lyx.org>
> Date:   Mon Jun 3 16:10:17 2024 +0200
> 
>     Show full inset context-menu when clicking on text part of collapsible (#10370)
>     
>     Re-fix this since #12907 has been resolved

I see new crash:

1) New file && Insert -> Float -> Figure && type "a" inside the innermost box
2) Dissolve outer inset via context menu on "Float: Figure" box
3) Postion the mouse cursor couple inches from left the side of Figure 1 label and trigger context menu
4) Split Inset in context menu
5) Kaboom

If you wonder how I came to such recipy, just couple days back I bumped in the following problem:

1) New file && Insert -> Float -> Figure
2) Dissolve inset via context menu on "Float: Figure" box
3) Try to dissolve inset via context menu of the remaining inset, couldn't find that item by clicking anywhere

I wonder whether this patch could accidentaly fix it and immediately run into crash.

Pavel