I Experienced the same "problem", but i'm not convinced that it is a bug, as much as we simply know to little about Godot ;) The kicker here is that in your Panel elements Inspector -> Mouse -> Filter, it should be set to "Ignore", or "Pass", not to "Stop"(default value) ...
I have been using Visual Studio Code for a couple months now and it has been fine. When I want to run some code, there is usually a little green triangle...