patch 9.0.0452: Visual highlighting extends into virtual text prop

Problem:    Visual highlighting extends into virtual text prop.
Solution:   Do not highlight what isn't actually selected.  Fix ordering of
            stored text props.

src/version.c

@@ -703,6 +703,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    452,
 /**/
     451,
 /**/