Fixes #4243 - ConsoleDriverFacade.CreateClipboard now honors FakeDriver.FakeBehaviors.UseFakeClipboard (#4244)

* updatd ConsoleDriverFacade.CreateClipboard to honor FakeDriver.FakeBehaviors.UseFakeClipboard

* Code cleanup of fake driver v2

Tests/TerminalGuiFluentTesting/FakeDriver/FakeApplicationFactory.cs

@@ -0,0 +1,45 @@
+#nullable enable
+using System.Drawing;
+using TerminalGuiFluentTesting;
+
+namespace Terminal.Gui.Drivers;
+
+#pragma warning disable CS1591
+public class FakeApplicationFactory
+{
+    /// <summary>
+    ///     Creates an initialized fake application which will be cleaned up when result object
+    ///     is disposed.
+    /// </summary>
+    /// <returns></returns>
+    public IDisposable SetupFakeApplication ()
+    {
+        var cts = new CancellationTokenSource ();
+        var fakeInput = new FakeNetInput (cts.Token);
+        FakeOutput output = new ();
+        output.Size = new (25, 25);
+
+        IApplication origApp = ApplicationImpl.Instance;
+
+        var sizeMonitor = new FakeSizeMonitor ();
+
+        var v2 = new ApplicationV2 (new FakeNetComponentFactory (fakeInput, output, sizeMonitor));
+
+        ApplicationImpl.ChangeInstance (v2);
+        v2.Init (null, "v2net");
+
+        ConsoleDriverFacade<ConsoleKeyInfo> d = (ConsoleDriverFacade<ConsoleKeyInfo>)Application.Driver!;
+
+        sizeMonitor.SizeChanging += (_, e) =>
+                                    {
+                                        if (e.Size != null)
+                                        {
+                                            Size s = e.Size.Value;
+                                            output.Size = s;
+                                            d.OutputBuffer.SetWindowSize (s.Width, s.Height);
+                                        }
+                                    };
+
+        return new FakeApplicationLifecycle (origApp, cts);
+    }
+}