Reproduction steps:
1. Open the Windows command prompt
2. Run a command to open a Unity project, including a backslash at the end of the project path
Example: > [Unity_Path][version]\Unity.exe -projectPath "G:\project\"
3. Observe the screen
Expected result: The desired Unity project opens
Actual result: The Unity Hub opens
Reproducible with: 2021.3.29f1, 2021.3.38f1, 2022.3.9f1, 2022.3.27f1, 6000.0.1f1
Not reproducible with: 2021.3.28f1, 2022.3.8f1
Reproducible on: Windows 11
Not reproducible on: No other environment tested
Workaround: Run the command without the backslash to open the project
Example: > [Unity_Path][version]\Unity.exe -projectPath "G:\project"