[Unity] Restore "Convert Selected Built-in Materials to URP" MenuItem


Hi! Here’s a Unity Editor script I made to restore the old "BIRP → URP" material conversion option. 😄
I also added a few more ways to convert the materials (e.g., by right-clicking them in the Project View).

RestoreConvertSelectedMaterials_BIRPToURP.cs
https://gist.github.com/andreiagmu/c07925948d70ed7f4483f138f935d258

Related Issue Tracker report:
https://issuetracker.unity3d.com/issues/no-option-to-convert-only-the-currently-selected-materials-from-built-in-rp-to-urp-when-converting-from-edit-rendering