add columns carrier (livraison in french) in listing orders backoffice prestashop 1.7.7.0

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add columns carrier (livraison in french) in listing orders backoffice prestashop 1.7.7.0

 

hello everyone,

i hope you are well,

please i need help,

when i create this file : public_html/test/override/controllers/admin/adminorderscontroller.php (see the attachment)

this code working well in prestashop 1.6 or prestashop 1.7.4.4.

but when i upgrade my prestashop to this version prestashop 1.7.7.0 the adminorderscontroller.php not working and the lists orders in backoffice not make anychange.

i don’t have backup of prestashop 1.7.4.4

i pass 3 weeks to search a solution.

how can do know please help me !!!!!! ????

please explain me exactly the path of files can i modify or change.

please help me !!!!!! ????

thanks a lot in advance !!!!!