VS Code: After installing C# extension , there is no intelligent prompt when entering "<input asp".

VS Code: 1.76.1
C# Extension version:[1.25.5](https://github.com/OmniSharp/omnisharp-vscode/releases)
SDK: [8.0.0-Preview.3.23164.2](https://github.com/dotnet/installer)

**Platform** 
- [x] Windows
- [x] Linux
- [x] Mac 

**To reproduce:** 
1. Open a normal Terminal Emulator, create MVC project and open it using VS code
```
md MVC3x
cd MVC3x
dotnet new mvc
code .
```
2. Go to [https://github.com/OmniSharp/omnisharp-vscode/releases](https://github.com/OmniSharp/omnisharp-vscode/releases) > Download the csharp-1.25.5-win32-x64.vsix.
3. In VS Code and go to the Extensions Tab, select "Install from VSIX" > install the file you downloaded.
4. Open Layout.cshtml file and in body tab, type "