[LyX/master] Fix renaming of citation refs after changing bibitem key

[Juergen Spitzmueller]

commit faefee3dc633e90d770f417c344c8047993ca360
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sun Apr 21 09:55:17 2019 +0200

    Fix renaming of citation refs after changing bibitem key
    
    Fixes: #6494
---
 src/insets/InsetBibitem.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/insets/InsetBibitem.cpp b/src/insets/InsetBibitem.cpp
index 221e629..424755b 100644
--- a/src/insets/InsetBibitem.cpp
+++ b/src/insets/InsetBibitem.cpp
@@ -155,8 +155,9 @@ void InsetBibitem::doDispatch(Cursor & cur, FuncRequest & 
cmd)
                setParam("literal", p["literal"]);
 
                if (p["key"] != old_key) {
+                       cur.recordUndoFullBuffer();
+                       cur.bv().buffer().changeRefsIfUnique(old_key, p["key"]);
                        updateCommand(p["key"]);
-                       cur.bv().buffer().changeRefsIfUnique(old_key, 
params()["key"]);
                        cur.forceBufferUpdate();
                        buffer().invalidateBibinfoCache();
                }