patch 8.2.2246: cursor keys not recognized at the hit-Enter prompt

Problem:    Cursor keys not recognized at the hit-Enter prompt after executing
            an external command.
Solution:   Change the codes for the extra cursor keys. (closes #7562)
            Tune the delays to avoid test flakyness.
diff --git a/src/version.c b/src/version.c
index bee026c..3894bc0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2246,
+/**/
     2245,
 /**/
     2244,