Inspector Script Selection not working

I have a very annoying issue with the Inspector specifically with scripts. Normally I would just either single click to find the script or double click to open the script in Visual Studio.

I am using:
Unity 2019.4.13f1
Microsoft Visual Studio Professional 2019 Version 16.7.3

I can open the scripts from the Project view pane but not from the inspector. It's difficult to work this way.

Also, not sure if this is normal but the script parameter and value are greyed but the rest of the properties are normal.

 

This is normal, this way you cannot change the script by selecting another one, which wouldn't make any sense anyway.

Double clicking on the name of the script in the inspector doesn't seem to work anymore. It doesn't for me in 2021 alpha 4.

Edit: you need to switch the Inpsector to "Debug" so that double clidking on the name of the script in the inspector opens the script editor.