Color properties names in FilterFunctionDefinition shows up as "Value N" in UI Builder

Steps to reproduce:

1. Create a FilterFunctionDefinition with a color parameter and a valid name
2. Use the custom filter in a new VisualElement in UI Builder

Actual results: The color parameter name is "Value 1"

Expected results: The color parameter name should be used

Reproducible with versions: 

Not reproducible with versions: 

Can’t test with versions: 

Tested on (OS): 

Notes:

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