fix: Email collect overriding existing contact name (#7355)

Currently, if Enable email collect box is enabled, and the user starting the chat already has an account with the same email, it will override the current account with {name} from the email name@email.com , this fixes it.

Co-authored-by: Sojan <sojan@pepalo.com>

app/controllers/api/v1/widget/messages_controller.rb

@@ -17,7 +17,8 @@ class Api::V1::Widget::MessagesController < Api::V1::Widget::BaseController
       @message.update!(submitted_email: contact_email)
       ContactIdentifyAction.new(
         contact: @contact,
-        params: { email: contact_email, name: contact_name }
+        params: { email: contact_email, name: contact_name },
+        retain_original_contact_name: true
       ).perform
     else
       @message.update!(message_update_params[:message])