** Reproduction steps **
- Setup a scoped registry in your project
- Publish an invalid package (ex: upper case letters in the package names) and valid package on the scoped registry
- Open the project and go to the Package Manager UI

** Expected Result *

- Valid scoped registry packages are listed in the My Registry* section of the Package Manager UI.
- Invalid scoped registry packages are not listed in the My Registry section of the Package Manager UI.

** Actual Result *

- No packages are listed in the My registry* section of the Package Manager UI.
- There is an error in Unity's console window:
[Package Manager Window] Cannot perform upm operation: Unable to perform online search:
Package name '<package with uppercase identifier>' is invalid. [InvalidParameter].
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()