This is a follow-up to issue 90800. After applying the patch there, RTL
documents look ok in Draw. However, when editing the text object, RTL objects
autogrow to the right, instead of to the left. 

Setting the "draw:textarea-horizontal-align" property to "right" for RTL text
objects fixes the autogrow problem, but causes the text to be mispositioned,
apparently because of some manipulation of RTL text that takes place in the Draw
UI code. Compare the attached screenshots, and note how with right-alignment,
the lines are no longer even against the right margin. 

If after import, the text object's alignment is set to the right, then there's
no problem. I'm attaching a macro which does this for all text objects in an RTL
document. However, this is only a workaround, and ideally, PDF import and should
be able to both position the text correctly and set the autogrow correctly.