Now when a row/col is inserted/removed or resized is the core to
notify the client that current header is no more valid and a new
header should be requested by the client to core.
In this way core can notify the header invalidation to all views.
Change-Id: Ia3c1872b73cfb3458cd0d35907291a9fc9eebd11
Reviewed-on: https://gerrit.libreoffice.org/36729
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>