This change updates Writer to save and restore VCL device state while
laying out text. This fixes issues caused by Writer mutating device
state while recursively laying out text, particularly overlapping RTL
and LTR text when used together along with footnotes.
Change-Id: I077352551ce2072f5c5eab9bff4b98bbcc6e78f5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168835
Tested-by: Jenkins
Reviewed-by: Jonathan Clark <jonathan@libreoffice.org>
e78bb77c3c