Steps to reproduce:

1. Open a new HDRP project
2. Create a new Lit Shader Graph
3. Create an Add node
4. Create a Screen Position (or Color) node
5. Drag the output of the node created in step 4 to any of the inputs of the Add node
6. Collapse the Add node
7. Observe the console

Note: this issue is also applicable to other Basic Math nodes like Multiply, Divide, Power, etc.

Expected result: no errors

Actual result: An error is thrown
{quote}Property _Add_d4fd54f3ec6c49ae9ad4d2befb253ff5_B_1 already exists in the property sheet with a different type: 1
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()
{quote}
Reproducible with: 2022.2.0a9 (HDRP 14.0.2 and up), 2023.1.0a16

Not reproducible with: 2022.2.0a8