[Testing] Implement ContextMenu UITest extension methods

[jsuarezruiz]

Description of Change

Implement ContextMenu UITest extension methods.

Example:
App.ActivateContextMenu("Cell");

Enabling the following tests:

• Bugzilla58875Test
• ContextActionsIconImageSource
• RaisingCommandCanExecuteChangedCausesCrashOnAndroid

[jsuarezruiz]

Rebased and passed added test locally:

[Copilot]

Copilot reviewed 6 out of 12 changed files in this pull request and generated 2 comments.

Files not reviewed (6)

• src/TestUtils/src/UITest.Appium/AppiumIOSApp.cs: Evaluated as low risk
• src/TestUtils/src/UITest.Appium/AppiumWindowsApp.cs: Evaluated as low risk
• src/TestUtils/src/UITest.Appium/HelperExtensions.cs: Evaluated as low risk
• src/TestUtils/src/UITest.Appium/AppiumAndroidApp.cs: Evaluated as low risk
• src/TestUtils/src/UITest.Appium/AppiumCatalystApp.cs: Evaluated as low risk
• src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/XFIssue/Issue6258.cs: Evaluated as low risk

Comments suppressed due to low confidence (2)

src/TestUtils/src/UITest.Appium/Actions/AppiumAndroidContextMenuActions.cs:54

• [nitpick] Ensure that the timing values for the pointer move actions are reliable across different devices or scenarios. Consider making these values configurable or documenting their usage.

longPress.AddAction(touchDevice.CreatePointerMove(appiumElement, 0, 0, TimeSpan.FromMilliseconds(5)));

src/TestUtils/src/UITest.Appium/Actions/AppiumAndroidContextMenuActions.cs:56

• [nitpick] Ensure that the timing values for the pointer move actions are reliable across different devices or scenarios. Consider making these values configurable or documenting their usage.

longPress.AddAction(touchDevice.CreatePointerMove(appiumElement, 0, 0, TimeSpan.FromMilliseconds(2000)));