Replace the current toolbar implementation with the new PageHeader component on the (rails) pages of the my account section

* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Profile
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Settings
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Change password
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion 2fA
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Access tokens
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Session management
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Notification settings
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Email reminders
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Avatar
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Delete account