Summary: If a player holds a item or enters a minecart or boat or if the player rides a entity a grey icon is displayed around the text were as in Java there's no icon when a player holds a item or enters a boat or minecart or rides a rideable entity such as a horse around the text.
Steps to Reproduce:
Step 1: Grab a item or Grab a minecart, boat or spawn egg that places a rideable entity.
Step 2: Hold the item or place minecart, boat or spawn egg that places a rideable entity
Step 3: Enter minecart, boat or ride the entity.

Observed Result: The texts have a icon around the text unlike Java that just shows the text when holding a item or entering a boat or minecart or even riding a rideable entity displays a text or name of the item.

Expected Result: To match Java there should be no such icon around item display names and riding a rideable entity or entering a boat or minecarts texts.