UI Test Automation (#39777)

### Summary

This pull request includes the following updates:

1. Improvements and stabilization of the UI automation framework  
2. Setup of the UI automation pipeline  
3. Add UI test cases for FancyZones  
4. Add UI test cases for MouseUtils  
5. Improvements of Hosts Editor UI tests

---

### Related Links

- **Current Release checklist coverage**:  
 
https://github.com/microsoft/PowerToys/blob/feature/UITestAutomation/src/common/UITestAutomation/Doc/ui-automation-cover-list.md

- **UI Automation pipeline**:  
 
https://microsoft.visualstudio.com/Dart/_build?definitionId=161438&_a=summary

---------

Signed-off-by: Shawn Yuan <shuai.yuan.zju@gmail.com>
Signed-off-by: Shawn Yuan <shuaiyuan@microsoft.com>
Co-authored-by: Jerry Xu <n.xu@outlook.com>
Co-authored-by: Zhaopeng Wang <zhaopengwang@microsoft.com>
Co-authored-by: Xiaofeng Wang (from Dev Box) <xiaofengwang@microsoft.com>
Co-authored-by: Mengyuan <162882040+chenmy77@users.noreply.github.com>
Co-authored-by: yaqingmi <miyaqing01@gmail.com>
Co-authored-by: Clint Rutkas <clint@rutkas.com>
Co-authored-by: Yaqing Mi (from Dev Box) <yaqingmi@microsoft.com>
Co-authored-by: Kai Tao <69313318+vanzue@users.noreply.github.com>
Co-authored-by: zhaopeng wang <33367956+wang563681252@users.noreply.github.com>
Co-authored-by: Laszlo Nemeth <57342539+donlaci@users.noreply.github.com>
Co-authored-by: RokyZevon <12629919+RokyZevon@users.noreply.github.com>
Co-authored-by: Yu Leng <42196638+moooyo@users.noreply.github.com>
Co-authored-by: Yu Leng (from Dev Box) <yuleng@microsoft.com>
Co-authored-by: Davide Giacometti <25966642+davidegiacometti@users.noreply.github.com>
Co-authored-by: Gordon Lam <73506701+yeelam-gordon@users.noreply.github.com>
Co-authored-by: ruslanlap <106077551+ruslanlap@users.noreply.github.com>
Co-authored-by: Muhammad Danish <mdanishkhdev@gmail.com>
Co-authored-by: Bennett Blodinger <benwa@users.noreply.github.com>
Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>
Co-authored-by: Ionuț Manța <ionut@janeasystems.com>
Co-authored-by: Hao Liu <liuhaobupt@163.com>
Co-authored-by: OlegHarchevkin <40352094+OlegKharchevkin@users.noreply.github.com>
Co-authored-by: dcog989 <89043002+dcog989@users.noreply.github.com>
Co-authored-by: PesBandi <127593627+PesBandi@users.noreply.github.com>
Co-authored-by: Stefan Markovic <57057282+stefansjfw@users.noreply.github.com>
Co-authored-by: vanzue <vanzue@outlook.com>
Co-authored-by: Typpi <20943337+Nick2bad4u@users.noreply.github.com>
Co-authored-by: Mike Griese <migrie@microsoft.com>
Co-authored-by: Carlos Zamora <carlos.zamora@microsoft.com>
Co-authored-by: Abhyudit <64366765+bitmap4@users.noreply.github.com>
Co-authored-by: Heiko <61519853+htcfreek@users.noreply.github.com>
Co-authored-by: Ved Nig <vednig12@outlook.com>
Co-authored-by: Niels Laute <niels.laute@live.nl>
Co-authored-by: Aung Khaing Khant <aungkhaingkhant.dev@gmail.com>
Co-authored-by: Aung Khaing Khant <aungkhaingkhant@advent-soft.com>
Co-authored-by: Dustin L. Howett <duhowett@microsoft.com>
Co-authored-by: leileizhang <leilzh@microsoft.com>
Co-authored-by: Dustin L. Howett <dustin@howett.net>
Co-authored-by: Shawn Yuan <128874481+shuaiyuanxx@users.noreply.github.com>
Co-authored-by: Shawn Yuan <shuai.yuan.zju@gmail.com>
Co-authored-by: cryolithic <cryolithic@gmail.com>
Co-authored-by: Lemonyte <49930425+lemonyte@users.noreply.github.com>
Co-authored-by: Gordon Lam (SH) <yeelam@microsoft.com>
Co-authored-by: Corey Hayward <72159232+CoreyHayward@users.noreply.github.com>
Co-authored-by: Jerry Xu <nxu@microsoft.com>
Co-authored-by: Shawn Yuan <shuaiyuan@microsoft.com>
Co-authored-by: Kayla Cinnamon <cinnamon@microsoft.com>
Co-authored-by: Jeremy Sinclair <4016293+snickler@users.noreply.github.com>

src/modules/Workspaces/WorkspacesEditorUITest/WorkspacesEditorTests.cs

@@ -0,0 +1,24 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.PowerToys.UITest;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace WorkspacesEditorUITest;
+
+[TestClass]
+public class WorkspacesEditorTests : UITestBase
+{
+    public WorkspacesEditorTests()
+        : base(PowerToysModule.Workspaces, WindowSize.Medium)
+    {
+    }
+
+    [TestMethod("WorkspacesEditor.Items.Present")]
+    [TestCategory("Workspaces UI")]
+    public void TestItemsPresents()
+    {
+        Assert.IsTrue(this.Has<Button>("Create Workspace"), "Should have create workspace button");
+    }
+}

src/modules/Workspaces/WorkspacesEditorUITest/WorkspacesEditorUITest.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="..\..\..\Common.Dotnet.CsWinRT.props" />
+
+  <PropertyGroup>
+    <LangVersion>latest</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <OutputType>Library</OutputType>
+    <RunVSTest>false</RunVSTest>
+    <IsTestProject>true</IsTestProject>
+    <IsPackable>false</IsPackable>
+    <AssemblyName>PowerToys.Workspaces.UITests</AssemblyName>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <OutputPath>..\..\..\..\$(Platform)\$(Configuration)\tests\Workspaces.UITests\</OutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Appium.WebDriver" />
+    <PackageReference Include="MSTest" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\common\UITestAutomation\UITestAutomation.csproj" />
+  </ItemGroup>
+
+</Project>