sw_redlinehide: try harder to prevent SetRedlineFlags from messing things up
Rearrange the code added in
15f1555da8adfa81ea1d4b0d8b694164fddbb2ae
to set all layouts to non-hidden before moving redlines in the model.
tdf52550-1.doc contains lots of consecutive delete redlines that
when exported to ODF trigger asserts about wrong start nodes in
CheckParaRedlineMerge().
Change-Id: I89c3d4fefd26691a9632807b9899138eee895fff
Reviewed-on: https://gerrit.libreoffice.org/65965
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>