The Collaborative dynamic data list application loses the users highlighted cells when other users select those cells

REPRODUCIBILITY LEVEL:
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Always

STEPS:
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1. Navigate to the Liferay Collaborative dynamic data list (with two different users)
2. With the first user > Click on a "X" cell (it gets highlighted).
3. With the second user > Click on the same "X" cell.
4. Still with the second user > Click on a new cell.

CURRENT RESULT:
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The first user loses his highlighted cell.

EXPECTED RESULT:
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The first user loses his highlighted cell.