Reproduction steps:
1. Create a new 3D project
2. Click Edit > Preferences… > External Tools > Select Rider
3. In the Project window, right-click anywhere > Create > C# Script
4. Open the created C# Script with Rider
5. In Rider, open the “Problems” window and then select “Toolset, Environment” and observe the window

Expected result: No error is shown
Actual result: “Generator ‘MonoScriptInfoGenerator’ failed to generate source. Only allowed to have one file passed in with extension '.AdditionalFile.txt' “ error is shown

Reproducible with: 2022.2.0a3, 2022.3.10f1, 2023.1.14f1, 2023.2.0b10, 2023.3.0a6
Not reproducible with: 2021.3.30f1, 2022.2.0a2

Reproducible on: Ubuntu 23.04
Not reproducible on: Windows 10 Pro 22H2