[dv/alert_handler] Fix Xcelium error
[dv/alert_handler] Fix Xcelium error

Xcelium run time error due to using the same object to send seq_item

Signed-off-by: Cindy Chen <399ad771a111eac8923348b1e2af093034e5d4f1@google.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan