Fixes a bug which stopped changes to the TextLine reading order getting carried over to the XML file after we switched from always creating a new XML file to merging results into existing XML files.
Also fixes another bug which didn't allow manually setting the TextLine reading order on newly created regions.
Fixes a bug which stopped changes to the TextLine reading order getting carried over to the XML file after we switched from always creating a new XML file to merging results into existing XML files.
Also fixes another bug which didn't allow manually setting the TextLine reading order on newly created regions.