patch 8.2.1455: Vim9: crash when using typecast before constant

Problem:    Vim9: crash when using typecast before constant.
Solution:   Generate constant before checking type.  Add tets.
diff --git a/src/version.c b/src/version.c
index e6d929e..e873a9c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1455,
+/**/
     1454,
 /**/
     1453,