Trade button in tavern doesn't work when press enter

Preconditions:

  1. A barkeeper should be added in a tavern
  2. A character should have enough coins for trading.
    Description:
    1.Open tavern trading menu.
    2.Choose an item to buy.
    3.Press enter.
    Expected Result:
    Trading is carried out.
    Actual result:
    Trading is not carried out.

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