Redirect EditorServicesConsolePSHost.PrivateData to _internalHost (#1711)

This may fix color formatting for old version of PowerShell.

Author: andyleejordan

src/PowerShellEditorServices/Services/PowerShell/Host/EditorServicesConsolePSHost.cs

@@ -25,6 +25,8 @@ internal EditorServicesConsolePSHost(
 
         public override string Name => _internalHost.Name;
 
+        public override System.Management.Automation.PSObject PrivateData => _internalHost.PrivateData;
+
         public override PSHostUserInterface UI => _internalHost.UI;
 
         public override Version Version => _internalHost.Version;