+ File menu command is now .uno:PickList and not .uno:FileMenu anymore
+ .uno:PickList is common to all modules
+ Refactor file menu into one Help page, with module switch
+ Adjust tree
+ remove old file menus help page main0101.xhp
Change-Id: I7fc9d07fdcca1d4a3062e656f81a0bafd6bafa44
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/162415
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>