The isuniquelist property of valuedropdown is automatically assigned to true

[秋雨忆]

1. Isdrown is set to true automatically.
2. In the default valuedropdown example, inttreview selects to change the attribute of the element, and then Telecom adds the element.
3. Attached drawings.
4. Unity 2019.4.8f
5. Odin 3.0.2
6. Windows 10

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[Antonio Rafael Antunes Miranda]

Probably same issue as #728

[Tor Esa Vestergaard]

Fixed in as yet unreleased patch 3.0.12