patch 8.2.4660: cursorcolumn is sometimes not correct

Problem:    Cursorcolumn is sometimes not correct.
Solution:   Recompute the cursor column when entering Insert mode and the
            cursor is on a character wider than a screen cell.
diff --git a/src/version.c b/src/version.c
index c6f4446..e6398a0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4660,
+/**/
     4659,
 /**/
     4658,