When resolving references we need to take into consideration
the view "fields" and allow qualified access to them.
Fixed by extending the reference resolution to process view
fields correctly.


mysql-test/r/func_group.result:
  Bug #33133: test case
mysql-test/t/func_group.test:
  Bug #33133: test case
sql/sql_base.cc:
  Bug #33133: allow qualified alias refs to view fields