Numbers of output expressions does not match number of output error is thrown when converting node to property Output

Steps to reproduce:

1. Import the attached package
2. Open Color Subgraph Operator
3. Convert bool node on the right to the Output property
4. Save the graph

Actual results: Error is thrown to the console

Expected results: No errors are thrown

Reproducible with versions: 6000.3.0a1, 6000.047f1, 6000.1.6f1, 6000.2.0b4

Not reproducible with versions: 2022.3.61f1

Can’t test with versions: 

Tested on (OS): macOS

Notes:

Exception: Numbers of output expressions (2) does not match number of output (with expression)s slots (1)
UnityEditor.VFX.VFXOperator.UpdateOutputExpressions () (at ./Library/PackageCache/com.unity.visualeffectgraph@07bc9fa1d8d9/Editor/Models/Operators/VFXOperator.cs:107)