Fix a bug where Folder.GetFiles(string globPattern) was returning the wrong relative paths (#590)

Author: thomhurst

src/ModularPipelines.Build/ReleaseNotes.md

@@ -0,0 +1 @@
+- Fix a bug where Folder.GetFiles(string globPattern) was returning the wrong relative paths

src/ModularPipelines/FileSystem/Folder.cs

@@ -141,7 +141,7 @@ public IEnumerable<File> GetFiles(string globPattern)
             .AddInclude(globPattern)
             .Execute(new DirectoryInfoWrapper(DirectoryInfo))
             .Files
-            .Select(x => new File(x.Path))
+            .Select(x => new File(System.IO.Path.Combine(this, x.Path)))
             .Distinct();
     }