IDE0079 configuration not respected

[pi3k14]

Version Used:
Visual Studio 2026 Insiders 11201.2

Steps to Reproduce:

Test.cs

namespace What;

public class Test
{
#pragma warning disable IDE0051
    readonly int UsedNow = 5;
#pragma warning restore IDE0051
    public int Used() => UsedNow;
}

.editorconfig

[*.cs]
dotnet_remove_unnecessary_suppression_exclusions = none
dotnet_diagnostic.IDE0079.severity = warning

Expected Behavior:

A warning in the IDE about unnecessary suppression

Actual Behavior:
No warning