Fedora SDK Install - Improve Message / Feed Detection (Fedora Support)

### Describe the bug.

Does not perform any dnf install command and unable to check for installed versions

### Please attach log file(s) here if you have any.

The log file location should be copied to your clipboard if you came from VS Code.

Cancelled Installation of .NET undefined.
An active-support version of dotnet couldn't be found. Discovered versions: []
Cancelled Installation of .NET undefined.
An active-support version of dotnet couldn't be found. Discovered versions: []

Error : (DotnetAcquisitionFinalError)

### Reproduction Steps

Clicking on .NET install tool button.

### Expected Behavior

Install properly without errors

### Exceptions & Errors (if any)

_No response_

### .NET Install Tool Version

8.0.100

### Your operating system? Please provide more detail, such as the version and or distro above.

N/A

### VS Code Version

_No response_