patch 8.2.1423: Vim9: find global function when looking for script-local

Problem:    Vim9: find global function when looking for script-local.
Solution:   Don't strip prefix if name starts with "s:". (closes #6688)
diff --git a/src/version.c b/src/version.c
index 8ebd3e0..f6257b5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1423,
+/**/
     1422,
 /**/
     1421,