How to STOP the form replies to Customer email automatically

When the form is submitted to admin, and I press reply in my email provider (Gmail or Outlook), It shows customer email in there automatically, even if the form email is the admin email already.

I want to reply to admin email(s) or sender email, but it automatically shows the customer email in “reply to” field, and I have already changed the form email to admin email.

Can you please tell me how can I not send the reply to customer email? And only show the admin emails there ? If this is done from the codes , can you show me where and which file to edit ?

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