Bug: the order's title is shown at the bottom of a customer account's order page (and my fix)

How to fix

Find the code:

Replace it with the following one:

<container name="content.top" label="Main Content Top" before="-"/>

This wrong system bevahiour is caused by the same Magento 2 core bug as here: How top fix the «Invalid method Magento\Customer\Block\Account\Navigation::removeLinkByUrl» bug

<move element="page.main.title" destination="content" before="-"/>

in \app\design\frontend\THEME\default\Magento_Customer\layout\customer_account.xml

This issue is already fixed in Magento 2 9 months ago: