[LyX/master] Only split view rather than split and move

[Jean-Marc Lasgouttes]

commit ceb1a4c393f61fb2a507bcd4607a52e75db16d5b
Author: Daniel Ramoeller <d.lyx at web.de>
Date:   Wed Sep 6 17:47:27 2023 +0200

    Only split view rather than split and move
    
    Fix for #12893
---
 src/frontends/qt/GuiView.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt/GuiView.cpp b/src/frontends/qt/GuiView.cpp
index 3723afe..55a2183 100644
--- a/src/frontends/qt/GuiView.cpp
+++ b/src/frontends/qt/GuiView.cpp
@@ -1880,7 +1880,8 @@ TabWorkArea * GuiView::addTabWorkArea()
 	QObject::connect(twa, SIGNAL(lastWorkAreaRemoved()),
 			 this, SLOT(on_lastWorkAreaRemoved()));
 
-	d.splitter_->addWidget(twa);
+	d.splitter_->insertWidget(d.splitter_->indexOf(d.currentTabWorkArea()) + 1,
+	                          twa);
 	d.stack_widget_->setCurrentWidget(d.splitter_);
 	return twa;
 }