MDEV-22884 Assertion `grant_table || grant_table_role' failed on perfschema

when allowing access via perfschema callbacks, update
the cached GRANT_INFO to match

mysql-test/suite/perfschema/r/grant.result

+create user a@localhost;
+connect a,localhost,a;
+select * from performance_schema.global_status where variable_name='b';
+VARIABLE_NAME	VARIABLE_VALUE
+connection default;
+disconnect a;
+drop user a@localhost;

mysql-test/suite/perfschema/t/grant.test

+--source include/not_embedded.inc
+#
+# MDEV-22884 Assertion `grant_table || grant_table_role' failed on perfschema
+#
+create user a@localhost;
+connect a,localhost,a;
+select * from performance_schema.global_status where variable_name='b';
+connection default;
+disconnect a;
+drop user a@localhost;
+

sql/sql_acl.cc

@@ -8104,6 +8104,8 @@ bool check_grant(THD *thd, privilege_t want_access, TABLE_LIST *tables,
       switch(access->check(orig_want_access, &t_ref->grant.privilege))
       {
       case ACL_INTERNAL_ACCESS_GRANTED:
+        t_ref->grant.privilege|= orig_want_access;
+        t_ref->grant.want_privilege= NO_ACL;
         continue;
       case ACL_INTERNAL_ACCESS_DENIED:
         goto err;