[UITest] Added UITest for advancedPaste (#40745)

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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
Added UITest for advancedPaste
Also add test init code for color picker and settings.
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## PR Checklist

- [ ] **Closes:** #xxx
- [ ] **Communication:** I've discussed this with core contributors
already. If the 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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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

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---------

Signed-off-by: Shawn Yuan <shuaiyuan@microsoft.com>

src/common/UITestAutomation/Element/ComboBox.cs

@@ -24,5 +24,16 @@ namespace Microsoft.PowerToys.UITest
         {
             this.Find<NavigationViewItem>(value).Click();
         }
+
+        /// <summary>
+        /// Select a text item from the ComboBox.
+        /// </summary>
+        /// <param name="value">The text to select from the ComboBox.</param>
+        public void SelectTxt(string value)
+        {
+            this.Click(); // First click to expand the ComboBox
+            Thread.Sleep(100); // Wait for the dropdown to appear
+            this.Find<Element>(value).Click(); // Find and click the text item using basic Element type
+        }
     }
 }

src/common/UITestAutomation/Element/RadioButton.cs

@@ -0,0 +1,38 @@
+// 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.
+
+namespace Microsoft.PowerToys.UITest
+{
+    /// <summary>
+    /// Represents a radio button UI element in the application.
+    /// </summary>
+    public class RadioButton : Element
+    {
+        private static readonly string ExpectedControlType = "ControlType.RadioButton";
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RadioButton"/> class.
+        /// </summary>
+        public RadioButton()
+        {
+            this.TargetControlType = RadioButton.ExpectedControlType;
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether the RadioButton is selected.
+        /// </summary>
+        public bool IsSelected => this.Selected;
+
+        /// <summary>
+        /// Select the RadioButton.
+        /// </summary>
+        public void Select()
+        {
+            if (!this.IsSelected)
+            {
+                this.Click();
+            }
+        }
+    }
+}