Add some extensions for better api

Microsoft.Maui.Automation.Core/ApplicationExtensions.cs

@@ -9,11 +9,17 @@ namespace Microsoft.Maui.Automation
     public static class ApiExtensions
     {
 
-        //public static async Task<IView[]> ById(IApplication app, string id)
-        //{
+        public static IAsyncEnumerable<IView> By(IWindow window, params IViewSelector[] selectors)
+            => All(window.Application!, window.Id, selectors);
 
-        //}
+        public static IAsyncEnumerable<IView> By(IWindow window, IViewSelector selector)
+            => All(window.Application!, window.Id, selector);
 
+        public static IAsyncEnumerable<IView> ByAutomationId(IWindow window, string automationId, StringComparison comparison = StringComparison.Ordinal)
+            => By(window, new AutomationIdSelector(automationId, comparison));
+
+        public static IAsyncEnumerable<IView> ById(IWindow window, string id, StringComparison comparison = StringComparison.Ordinal)
+            => By(window, new IdSelector(id, comparison));
 
         public static async IAsyncEnumerable<IView> All(IApplication app, params IViewSelector[] selectors)
         {
@@ -21,22 +27,52 @@ namespace Microsoft.Maui.Automation
 
             foreach (var window in windows)
             {
-                foreach (var view in await All(app, window, selectors))
+                await foreach (var view in All(app, window.Id, selectors))
                     yield return view;
             }
         }
 
-        public static Task<IView[]> All(IApplication app, IWindow window, params IViewSelector[] selectors)
+        public static async IAsyncEnumerable<IView> Any(IApplication app, params IViewSelector[] selectors)
+        {
+            var windows = await app.Windows();
+
+            foreach (var window in windows)
+            {
+                await foreach (var view in Any(app, window.Id, selectors))
+                    yield return view;
+            }
+        }
+
+        public static IAsyncEnumerable<IView> All(IApplication app, IWindow window, params IViewSelector[] selectors)
             => All(app, window.Id, selectors);
 
-        public static async Task<IView[]> All(IApplication app, string windowId, params IViewSelector[] selectors)
+        public static async IAsyncEnumerable<IView> All(IApplication app, string windowId, params IViewSelector[] selectors)
         {
-            var window = await app.Window(windowId);
+            await foreach(var view in app.Descendants(windowId, viewId: null, new CompoundSelector(any: false, selectors)))
+            {
+                yield return view;
+            }
+        }
 
-            if (window != null)
-                return await All(app, window, selectors);
+        public static IAsyncEnumerable<IView> Any(IApplication app, IWindow window, params IViewSelector[] selectors)
+            => Any(app, window.Id, selectors);
 
-            return Array.Empty<IView>();
+        public static async IAsyncEnumerable<IView> Any(IApplication app, string windowId, params IViewSelector[] selectors)
+        {
+            await foreach (var view in app.Descendants(windowId, viewId: null, new CompoundSelector(any: true, selectors)))
+            {
+                yield return view;
+            }
+        }
+
+        public static async Task<IView?> First(IApplication app, string windowId, bool matchesAnySelector, params IViewSelector[] selectors)
+        {
+            await foreach (var view in app.Descendants(windowId, viewId: null, new CompoundSelector(any: matchesAnySelector, selectors)))
+            {
+                return view;
+            }
+
+            return null;
         }
     }
 }