There are many npcs in general which should pick up ground items. This is on a backlog for source development.
It's interesting that mechanic also expands to nodrop items.
Here's one from hate:
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Some npcs have specific pickup dialogue as well.
Jracol Brestiage says 'Look what I found! I hear there's a good market for these back in Highpass.. lucky me!
Nillipuss says 'Look what I found! What a great find! It used to be yours, but now it is mine!