tdf#129393 Calc: cannot format whole row of unprotected cells

regression from
	commit 3c3a371c799d00475deb13b4c3e0a8860c7e4fb3
	tdf#125254 Performance: A spreadsheet opens too slow, part2

Change-Id: I87e06a58d6a4eb1a32bdf7e9267a4fe9d6dc4f2a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86826
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/sc/source/core/data/markdata.cxx b/sc/source/core/data/markdata.cxx
index 3d73006..6b8a99e 100644
--- a/sc/source/core/data/markdata.cxx
+++ b/sc/source/core/data/markdata.cxx
@@ -335,10 +335,18 @@
    for (const ScRange& rRange : rList)
        maTabMarked.insert( rRange.aStart.Tab() );

    bMultiMarked = true;
    aMultiRange = rList.Combine();
    if (rList.size() > 1)
    {
        bMultiMarked = true;
        aMultiRange = rList.Combine();

    aMultiSel.Set( ScSheetLimits(mnMaxCol, mnMaxRow), rList );
        aMultiSel.Set( ScSheetLimits(mnMaxCol, mnMaxRow), rList );
    }
    else if (rList.size() == 1)
    {
        const ScRange& rRange = rList[ 0 ];
        SetMarkArea( rRange );
    }
}