Cheating post-moon lord items in pre-moon lord survival world

[1] Members name.
That on val

[2] Report: what rule(s) they broke (quote them).

[3] Did this affect anyone (e.g. they were using their hacks in PvP)?

[4] Evidence. (If this includes chat, Phase link one or more messages)

Stardust pick (slot Inventory, Row 2, Col 4),
solar armor

[5] Dimension: (if this is a server report).

[6] Roughly, the time (in UTC) the offence was made. (if this is a
server report)

~ Today (07/14), 4 PM UTC

Mzz (ingame name) posted the link to T-inv in chat:

How did you generate the link of an inventory when the player is offline? Because T-inv lists only the online players.