Allow proc missions to take from station cargo hold. Unless the proc mission is asking for fresh items, the items should be able to be pulled directly from a pilot's cargo hold without undocking.

This works the scrap yard missions, so the concept is not unprecedented.

+1 - some pilots like myself prefer to pre-load items that usually are requested, and needing to load items onto a ship, undock, then just immediately redock for the station officials to see the items is... well, tedious as much as it is silly. low priority change, but a welcome one~

The procurement missions are kind of unique, they were not written using the mission editor, so they require more testing to validate. It isn't just a trivial tweak. But, we can take a look at that.

However, I've also been intending to effectively replace the proc missions with something built in the editor, so I'll evaluate against that when I get to it.