Prevent Right Click on Portal pages

[raghavs046]

PR Description:

This is a UI script (mobile/service portal type). This will prevent right-click on the portal pages it is added to.
This UI script can be added to the JS includes of the theme used in portal.

Pull Request Checklist

Overview

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• I have read and understood the CONTRIBUTING.md guidelines
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• I've created a new branch in my forked repository for this contribution

Code Quality

• My code is relevant to ServiceNow developers
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Restrictions

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[ivan-betev]

Haha, brave of you to walk the forbidden path of “no right-click.” Somewhere a UX designer just shed a single tear 😂