MDEV-22708 Assertion `!mysql_bin_log.is_open() || thd.is_current_stmt_binlog_format_row()' failed in Delayed_insert::handle_inserts and in Diagnostics_area::set_eof_status

Function `upgrade_lock_type` should check global binlog_format variable
instead of thread one.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>