[LyX/master] Do not forceLTR math with Xe/Lua (part of #12731)

[Juergen Spitzmueller]

commit e9c8b10c1da939d1ab63f4d8b558dbbf90f3bc74
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Mon Apr 10 08:24:46 2023 +0200

    Do not forceLTR math with Xe/Lua (part of #12731)
---
 src/mathed/InsetMathHull.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/mathed/InsetMathHull.h b/src/mathed/InsetMathHull.h
index 92903c5..f57fdbc 100644
--- a/src/mathed/InsetMathHull.h
+++ b/src/mathed/InsetMathHull.h
@@ -174,7 +174,8 @@ public:
 	void initUnicodeMath() const override;
 
 	/// Force inset into LTR environment if surroundings are RTL
-	bool forceLTR(OutputParams const &) const override { return true; }
+	/// FIXME Really needed? (see #12731)
+	bool forceLTR(OutputParams const & rp) const override { return !rp.isFullUnicode(); }
 	///
 	void recordLocation(DocIterator const & di);