duplicate values() doesn't work for context items

[saig0]

Describe the bug The built-in function duplicate values() doesn't filter duplicates for a list of context items.

duplicate values([{x:1},{x:2},{x:1}])

To Reproduce Steps to reproduce the behavior:

1. Evaluate the expression

duplicate values([{x:1},{x:2},{x:1}])

2. Verify that the result is an empty list

Expected behavior The function duplicate values() should find duplicates for a list of context items.

duplicate values([{x:1},{x:2},{x:1}])
// [{"x":1}]

Environment

• FEEL engine version: 1.17.3
• Affects:
  • Camunda Automation Platform 7: [7.x]
  • Zeebe broker: 8.3.3