[IntelliSense] Suggestions for extension methods use a property icon (🔧)

[amis92]

Describe the bug

IntelliSense suggestions for extension methods have property icon (🔧-like), instead of a method-like (box thing).

Did this error occur while using dotnet try or online?

• [ ] dotnet-try
• [ ] .NET Jupyter Notebook
• [x] online (https://docs.microsoft.com/en-us/dotnet/csharp/tutorials/intro-to-csharp/hello-world?tutorial-step=3)

What kind of error was it?

• [x] User Interface (UI): IntelliSense icon is incorrect, using property one for extension methods like LINQ's Any, All, Aggregate, etc.
• [ ] Service Error
• [ ] Other:

Screenshots

Edge: Chrome:

Please complete the following:

• OS
  • [ ] Windows 10
  • [ ] macOS
  • [ ] Linux (Please specify distro)
  • [ ] iOS
  • [ ] Android
• Browser
  • [x] Chrome
  • [x] Edge
  • [ ] Safari