Remove unnecessary collection expression

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: JustinGrote

src/PowerShellEditorServices/Extensions/EditorWorkspace.cs

@@ -31,7 +31,7 @@ public sealed class EditorWorkspace
         /// <summary>
         /// Get all currently open documents in the workspace.
         /// </summary>
-        public WorkspaceOpenDocument[] Documents => [.. editorOperations.GetWorkspaceOpenDocuments()];
+        public WorkspaceOpenDocument[] Documents => editorOperations.GetWorkspaceOpenDocuments();
 
         #endregion