[LyX/master] Fix cursor when undoing accept/reject all changes

[Jean-Marc Lasgouttes]

commit c4531741a9184fa0684d3b1d25c72877bf623da8
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Thu Jun 20 18:00:13 2024 +0200

    Fix cursor when undoing accept/reject all changes
    
    Before this change, the whole document would remain selected.
    
    This relies on the new UndoGroupHelper constructor introduced at e7b1ee47.
---
 src/BufferView.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index b55beb34a7..70d81567c1 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -1686,6 +1686,7 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 		break;
 
 	case LFUN_ALL_CHANGES_ACCEPT: {
+		UndoGroupHelper helper(cur);
 		// select complete document
 		cur.reset();
 		cur.selHandle(true);
@@ -1705,6 +1706,7 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 	}
 
 	case LFUN_ALL_CHANGES_REJECT: {
+		UndoGroupHelper helper(cur);
 		// select complete document
 		cur.reset();
 		cur.selHandle(true);