The collaborative dynamic data list app switch the highlighted cell between the guest users

REPRODUCIBILITY LEVEL:
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Always

STEPS:
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1. Navigate to the Liferay Collaborative dynamic data list (with at least two GUEST users).
2. With the first guest user highlight any cell.
3. With the second guest user highlight a different cell.

CURRENT RESULT:
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The guest users share the same highlight when point to different cells.

EXPECTED RESULT:
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The application should highlight different cells for the different users.