[LyX/master] Fix bug #12181

[Richard Kimberly Heck]

On 3/6/21 5:34 PM, Enrico Forestieri wrote:
> commit 7545698380fa4d0203109d340404574c20aad1bc
> Author: Enrico Forestieri <forenr at lyx.org>
> Date:   Sat Mar 6 23:36:58 2021 +0100
>
>     Fix bug #12181
>     
>     The context menu for InsetMathRef is now usable.
>     InsetMathRef still misses support for RefStyle and thus the
>     corresponding entries are omitted from the menu. But this would
>     be a different bug.

I thought I fixed that?

Riki