MDEV-32737 innodb.log_file_name fails on Assertion `after_apply || !(blocks).end in recv_sys_t::clear

recv_group_scan_log_recs(): Set the debug flag recv_sys.after_apply
after actually completing the log scan.

In the test, suppress some errors that may be reported when
the crash recovery of RENAME TABLE t1 TO t2 is preceded by
copying t2.ibd to t1.ibd.