tdf#84522 fix reversed text of column break mark in a RTL page.

Set RTL falg for the font when the frame is right-to-left.

Change-Id: I834620ed44b01b9577ca6c7c42191f2400dd8219
Reviewed-on: https://gerrit.libreoffice.org/50673Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mark Hung <marklh9@gmail.com>

sw/source/core/layout/paintfrm.cxx

@@ -3598,7 +3598,7 @@ void SwColumnFrame::PaintBreak( ) const
                     aFont.SetFontHeight( 8 * 20 );
                     pOut->SetFont( aFont );
                     drawinglayer::attribute::FontAttribute aFontAttr = drawinglayer::primitive2d::getFontAttributeFromVclFont(
-                            aFontSize, aFont, false, false );
+                            aFontSize, aFont, IsRightToLeft(), false );
 
                     tools::Rectangle aTextRect;
                     pOut->GetTextBoundRect( aTextRect, aBreakText );