UM-034 - Clear Corn, Dogwood, H Cordata, Plasma Grapes, HYPattacked_proc

[UrsulaMejor]

Implements:

• Clear Corn (Contains Ethanol)
• Dogwood Tree (Bark Bark Awoo)
• Houttyunia Cordata (Fish Mint, Contains Mercury)
• Wholetuna Cordata (Literal Fish Mint)
• Plasgrapes (Contains Plasma)
• Adjusted HYPattacked_proc calls in plantpot.dm to allow for mutant overrides