HostModel:Enable TestWithAdditionalContentAfterBundleMetadata (#6968)

The above test was disabled in PR #6885 because the lab runs
showed failures because of "not enough disk space"

This PR now enables the test, since the test job no longer uses the hosted pool.

src/test/BundleTests/Microsoft.NET.HostModel.Bundle.Tests/BundlerConsistencyTests.cs

@@ -143,7 +143,7 @@ public void AllBundledFilesAreExtracted()
  bundleDir.Should().OnlyHaveFiles(expectedFiles);
  }
 
- [Fact(Skip = "Disabled in master temporarily to avoid infra issues")]
+ [Fact]
  public void TestWithAdditionalContentAfterBundleMetadata()
  {
  var fixture = sharedTestState.TestFixture.Copy();