no "OmniSharp: Select Project" showing when ctrl + shift + P pressed, C# intellisense not working, Explorer no folder opened

Type: Performance Issue

## Issue Description ##
## Steps to Reproduce ##

## Expected Behavior ##

## Actual Behavior ##

## Logs ##

### OmniSharp log ###
Post the output from Output-->OmniSharp log here

### C# log ###
Post the output from Output-->C# here

## Environment information ##

**VSCode version**: 1.85.1
**C# Extension**: 2.15.30
**Using OmniSharp**: true

Dotnet Information
.NET SDK:
Version: 8.0.100
Commit: 57efcf1350
Workload version: 8.0.100-manifests.6c33ef20

Runtime Environment:
OS Name: Windows
OS Version: 10.0.22621
OS Platform: Windows
RID: win-x64
Base Path: C:\Program Files\dotnet\sdk\8.0.100\

.NET workloads installed:
Workload version: 8.0.100-manifests.6c33ef20
There are no installed workloads to display.

Host:
Version: 8.0.0
Architecture: x64
Commit: 5535e31a71

.NET SDKs installed:
7.0.401 [C:\Program Files\dotnet\sdk]
8.0.100 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 7.0.11 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 8.0.0 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.15 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 7.0.11 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.0 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 6.0.15 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 7.0.11 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 8.0.0 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]

Other architectures found:
x86 [C:\Program Files (x86)\dotnet]
registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]

Environment variables:
Not set

global.json file:
Not found

Learn more:
https://aka.ms/dotnet/info

Download .NET:
https://aka.ms/dotnet/download

Visual Studio Code Extensions

|Extension|Author|Version|Folder Name|
|---|---|---|---|
|c-cpp-runner|franneck94|9.4.3|franneck94.c-cpp-runner-9.4.3|
|cmake|twxs|0.0.17|twxs.cmake-0.0.17|
|cmake-tools|ms-vscode|1.16.32|ms-vscode.cmake-tools-1.16.32|
|cpptools|ms-vscode|1.19.1|ms-vscode.cpptools-1.19.1-win32-x64|
|cpptools-extension-pack|ms-vscode|1.3.0|ms-vscode.cpptools-extension-pack-1.3.0|
|cpptools-themes|ms-vscode|2.0.0|ms-vscode.cpptools-themes-2.0.0|
|csdevkit|ms-dotnettools|1.2.7|ms-dotnettools.csdevkit-1.2.7-win32-x64|
|csharp|ms-dotnettools|2.15.30|ms-dotnettools.csharp-2.15.30-win32-x64|
|csharpextensions|jchannon|1.3.1|jchannon.csharpextensions-1.3.1|
|csharpextensions|kreativ-software|1.7.3|kreativ-software.csharpextensions-1.7.3|
|vscode-dotnet-runtime|ms-dotnettools|2.0.0|ms-dotnettools.vscode-dotnet-runtime-2.0.0|
|vscode-lldb|vadimcn|1.10.0|vadimcn.vscode-lldb-1.10.0|
|vscodeintellicode-csharp|ms-dotnettools|0.1.26|ms-dotnettools.vscodeintellicode-csharp-0.1.26-win32-x64|;

Extension version: 2.15.30
VS Code version: Code 1.85.1 (0ee08df0cf4527e40edc9aa28f4b5bd38bbff2b2, 2023-12-13T09:49:37.021Z)
OS version: Windows_NT x64 10.0.22621
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz (8 x 2419)|
|GPU Status|2d_canvas: enabled
canvas_oop_rasterization: enabled_on
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled|
|Load (avg)|undefined|
|Memory (System)|7.72GB (1.75GB free)|
|Process Argv|C:\\UnityWorkspace\\Trash Flight\\Assets\\Scripts\\Player.cs|
|Screen Reader|no|
|VM|0%|

Process Info

```
CPU % Mem MB PID Process
0 103 2644 code main
0 96 2836 window [2] (Issue Reporter)
0 38 12032 utility-network-service
0 152 14660 gpu-process
0 86 18388 fileWatcher [1]
0 193 19844 window [1] (Player.cs - Visual Studio Code)
0 93 21292 ptyHost
0 152 22892 extensionHost [1]
0 280 7768 c:\Users\usele\.vscode\extensions\ms-dotnettools.csharp-2.15.30-win32-x64\.roslyn\Microsoft.CodeAnalysis.LanguageServer.exe --logLevel Information --starredCompletionComponentPath c:\Users\usele\.vscode\extensions\ms-dotnettools.vscodeintellicode-csharp-0.1.26-win32-x64\components\starred-suggestions\node_modules\@vsintellicode\starred-suggestions-csharp --extension c:\Users\usele\.vscode\extensions\ms-dotnettools.csharp-2.15.30-win32-x64\.roslynDevKit\Microsoft.VisualStudio.LanguageServices.DevKit.dll --sessionId 0edc90ae-d9d5-4882-88e6-81cde4c73c071705086218921 --telemetryLevel off --extensionLogDirectory c:\Users\usele\AppData\Roaming\Code\logs\20240112T213944\window1\exthost\ms-dotnettools.csharp
0 227 18892 electron-nodejs ("C:\Users\usele\AppData\Local\Programs\Microsoft VS Code\Code.exe" --ms-enable-electron-run-as-node --dns-result-order=ipv4first c:\Users\usele\.vscode\extensions\ms-dotnettools.vscodeintellicode-csharp-0.1.26-win32-x64\dist\node_modules\@vsintellicode\completions-csharp\workerEntry.js)
0 86 24424 shared-process
```

Workspace Info

```
;
```