Origin: upstream, commit:37ccd37db6f1d40c9a744d8b341b9ac59f2529da
Author: Matt McClinch <mattmcclinch@gmail.com>
Description: fix #300926: Problem selecting and entering a whole note
 Resolves: https://musescore.org/en/node/300926.
 .
 This allows a full measure rest to be changed into a "normal" rest even
 if the actual length of the rest is not being changed.

--- a/libmscore/cmd.cpp
+++ b/libmscore/cmd.cpp
@@ -1137,8 +1137,11 @@ void Score::changeCRlen(ChordRest* cr, c
             return;
             }
       Fraction srcF(cr->ticks());
-      if (srcF == dstF)
+      if (srcF == dstF) {
+            if (cr->isFullMeasureRest())
+                  undoChangeChordRestLen(cr, dstF);
             return;
+            }
 
       //keep selected element if any
       Element* selElement = selection().isSingle() ? getSelectedElement() : 0;