[LyX/master] Record babel use for single par preview

[Juergen Spitzmueller]

commit 849d0c81ca820b62c9d801d1abfacf16e2311e63
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Sun Apr 2 14:51:47 2023 +0200

    Record babel use for single par preview
---
 src/Buffer.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index f03970b..0552ef9 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -4156,6 +4156,7 @@ unique_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 			LaTeXFeatures features(*this, params(), runparams);
 			validate(features);
 			runparams.use_polyglossia = features.usePolyglossia();
+			runparams.use_babel = features.useBabel();
 			runparams.use_hyperref = features.isRequired("hyperref");
 			// latex or literate
 			otexstream ots(os);