"Look Up" not working for content in tables

Testing version:
1.0 (415)

What were you doing:
Using the macOS “Look Up” feature on a word in a table cell.

What feature did you use:
Table

What happened:

  1. Use the force click on the Mac trackpad to access the “Look Up” feature on a word in a table cell (also accessible by using right-click)
  2. The word definition appears briefly but then disappears.

What did you expect to happen:

  1. The word definition should appear in a pop up and stay visible until clicking somewhere off the pop up.