patch 8.2.1574: Vim9: glob() doesnot take "true" as argument

Problem:    Vim9: glob() doesnot take "true" as argument.
Solution:   Use tv_get_bool_chk(). (closes #6821)
diff --git a/src/filepath.c b/src/filepath.c
index e4798d2..9f05434 100644
--- a/src/filepath.c
+++ b/src/filepath.c
@@ -1174,14 +1174,14 @@
     rettv->v_type = VAR_STRING;
     if (argvars[1].v_type != VAR_UNKNOWN)
     {
-	if (tv_get_number_chk(&argvars[1], &error))
+	if (tv_get_bool_chk(&argvars[1], &error))
 	    options |= WILD_KEEP_ALL;
 	if (argvars[2].v_type != VAR_UNKNOWN)
 	{
-	    if (tv_get_number_chk(&argvars[2], &error))
+	    if (tv_get_bool_chk(&argvars[2], &error))
 		rettv_list_set(rettv, NULL);
 	    if (argvars[3].v_type != VAR_UNKNOWN
-				    && tv_get_number_chk(&argvars[3], &error))
+				    && tv_get_bool_chk(&argvars[3], &error))
 		options |= WILD_ALLLINKS;
 	}
     }