patch 8.2.2182: Vim9: value of 'magic' is still relevant

Problem:    Vim9: value of 'magic' is still relevant.
Solution:   Always behave like 'magic' is on in Vim9 script (closes #7509)
diff --git a/src/normal.c b/src/normal.c
index 1c66412..faf6ffb 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -3738,9 +3738,9 @@
     else
     {
 	if (cmdchar == '*')
-	    aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
+	    aux_ptr = (char_u *)(magic_isset() ? "/.*~[^$\\" : "/^$\\");
 	else if (cmdchar == '#')
-	    aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
+	    aux_ptr = (char_u *)(magic_isset() ? "/?.*~[^$\\" : "/?^$\\");
 	else if (tag_cmd)
 	{
 	    if (curbuf->b_help)