patch 8.2.3229: Vim9: runtime and compile time type checks are not the same

Problem:    Vim9: runtime and compile time type checks are not the same.
Solution:   Add more runtime type checks for builtin functions. (Yegappan
            Lakshmanan, closes #8646)
diff --git a/src/search.c b/src/search.c
index 0034e1e..aa16d44 100644
--- a/src/search.c
+++ b/src/search.c
@@ -4111,6 +4111,9 @@
     if (rettv_dict_alloc(rettv) == FAIL)
 	return;
 
+    if (in_vim9script() && check_for_opt_dict_arg(argvars, 0) == FAIL)
+	return;
+
     if (shortmess(SHM_SEARCHCOUNT))	// 'shortmess' contains 'S' flag
 	recompute = TRUE;