sdk: `dotnet watch` broken in `8.0.100`

Describe the bug

The dotnet watch command is broken in 8.0.100. Apparently it prefixes the input command with run.

To Reproduce

Run a command like:

dotnet watch build --project src/Backend --verbose -- /t:RunFunctions

In the verbose output it is clear that run is prefixed to the command:

...
dotnet watch ⌚ Running dotnet with the following arguments: 'run build /t:RunFunctions'
dotnet watch 🚀 Started '/usr/local/share/dotnet/dotnet' 'run build /t:RunFunctions' with process id 34887
...

Where as with 7.0.404 it is correct:

...
dotnet watch 🚀 Started '/usr/local/share/dotnet/dotnet' 'build /t:RunFunctions' with process id 34847
dotnet watch ⌚ Running dotnet with the following arguments: build /t:RunFunctions
...

Further technical details

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

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  13.6
 OS Platform: Darwin
 RID:         osx-arm64
 Base Path:   /usr/local/share/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: arm64
  Commit:       5535e31a71

.NET SDKs installed:
  7.0.404 [/usr/local/share/dotnet/sdk]
  8.0.100 [/usr/local/share/dotnet/sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 7.0.14 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 8.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 7.0.14 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 8.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

Other architectures found:
  x64   [/usr/local/share/dotnet/x64]
    registered at [/etc/dotnet/install_location_x64]

Environment variables:
  Not set

global.json file:
  Not found

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  https://aka.ms/dotnet/info

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  https://aka.ms/dotnet/download