Add SupportsEnforceAppInstallOption to XCUITestOptions

[wazzeps]

Description

According to appium/appium#18279 it would be nice to add SupportsEnforceAppInstallOption to XCUITestOptions.

Environment

• Java client 8.3.0

[mykola-mokhnach]

Feel free to create a PR @wazzeps . This should be a fairly simple one

You could also have it as a string for now by using setCapability builder method

[wazzeps]

PR: #1895