Try to debug/run most suitable scene

### Godot version

any

### VS Code version

any

### Godot Tools VS Code extension version

any

### System information

any

### Problem statement

-

### Proposed solution

when press F5

```
var current_file = file opened in current editor view

if there is a Pinned scene:
run the Pinned scene

else if current_file is a scene:
run this one

else if current_file is a gdscript && current_file related to a scene root:
run that related scene

else:
run project default scene
```