Better inherit error reporting

[edgarfgp]

Description

Bette error reporting for inherit.

Before

After

type IA = interface end
type Class() =
    inherit IA
    ^^^^^^^ ^^
    
[<Sealed>]
type BaseClass() = class end

type Class2() =
    inherit BaseClass()
            ^^^^^^^^^
    
    
// Another interface 
type TK_I_005 =
  abstract M  : unit -> unit
  
[<Struct>]
type TK_I_006b = 
   inherit TK_I_005
           ^^^^^^^^

Checklist

• Test cases added
• Release notes entry updated

[github-actions]

❗ Release notes required

---

✅ Found changes and release notes in following paths:

Change path	Release notes path	Description
src/Compiler	docs/release-notes/.FSharp.Compiler.Service/9.0.200.md

[edgarfgp]

This is ready

[psfinaki]

Good stuff Edgar, thanks!

I thought - maybe you can add a small paragraph to the docs about improving our diagnostics the way you do - and reference some of your PRs. That could be useful :)