We should not call implts_resetInplaceMenuBar() unconditionally.
The problem which was fixed by that call can be solved by setting
m_bInplaceMenuSet to false, which is the proper solution. So after
the menu cleared up (inplace menu too), this indicator flag also
contains the right value.

Regression from:
dc3a2546

Change-Id: I85243417eb273629cc57b762b98fdd32dc9b1dd5
Reviewed-on: https://gerrit.libreoffice.org/68009
Tested-by: Jenkins
Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>