Mounted at Filesystem Root.” How do I get it to live in my user section

I read your solution on 2023 but did not reach to solution ,I noticed this usb as (filesystem root ) shared same distance (on disks)my internal hard device id /dev/sda3 and the usb as 1.0 TB Block Device (/dev/mapper/cryptdata), on same time the usb on disks as /dev/data/root=in other meaning my 1tb as usb dev.data/root and as hard device in internal hard device as dev/mapper/cryptdata my pc pop-os thanks

I’m not quite sure what you are asking here. Can you re-state the issue / question?