[UI automation] workspaces ui automation (#39812)

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request

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## PR Checklist

- [ ] **Closes:** #xxx
- [ ] **Communication:** I've discussed this with core contributors
already. If work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end user facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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![image](https://github.com/user-attachments/assets/1be219be-1d06-432c-8acb-e3a2ba56d1b6)


https://microsoft.visualstudio.com/Dart/_build/results?buildId=125637396&view=results

---------

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: XiaofengWang <709586527@qq.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: 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/common/UITestAutomation/UITestBase.cs

@@ -4,18 +4,9 @@
 
 using System.Collections.ObjectModel;
 using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Reflection;
 using System.Runtime.InteropServices;
-using System.Xml.Linq;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium;
-using OpenQA.Selenium.Appium;
-using OpenQA.Selenium.Appium.Windows;
-using Windows.Devices.Display.Core;
-using Windows.Foundation.Metadata;
-using static Microsoft.PowerToys.UITest.UITestBase.NativeMethods;
-using static Microsoft.PowerToys.UITest.WindowHelper;
 
 namespace Microsoft.PowerToys.UITest
 {