Small Pottery Vessel Tooltip shows Number of Units

Added a suffix to the metal name with the number of units contained
within the small vessel to the tooltip. This is useful when the metal
has solidified and the player cannot open the vessel.
1. Added back the space between the number and units text
Merge pull request #674 from Bletch1971/SmallPotteryVessel

Small Pottery Vessel Tooltip showing Number of Units