Resolves: #i86528# use the module manager to identify the context...

for addons menu merging

(cherry picked from commit 2aac0070dbef6c1ad7eeccf7d4015cdcbffe067e)

Conflicts:
	framework/source/classes/menumanager.cxx
	framework/source/fwe/classes/addonmenu.cxx
	framework/source/uielement/menubarmanager.cxx
	include/framework/addonmenu.hxx

Change-Id: I3b606671db3a4c6ba8ed2b850e01e1ac91db7581
valgrind: memory leak

Change-Id: I4cd6f99151348c97a116cd86cc5da9f4f6e68d9d