its already like that as you have shown from the screenshot. what i mean is its not toggling to login when i click on the login button (Left). Register (on right)shows as it is.
Please deactivate all the plugins not related to the theme and switch the parent theme, check the issue, if the problem remains, leave the plugins not activated and provide the site admin access to the private area.
Make sure you have all the essential Woocommerce pages set.
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