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• The PR title follows our guidelines: https://github.com/NativeScript/NativeScript/blob/master/CONTRIBUTING.md#commit-messages.
• There is an issue for the bug/feature this PR is for. To avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it.
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• Tests for the changes are included - https://github.com/NativeScript/NativeScript/blob/master/WritingUnitTests.md.

What is the current behavior?

No state for longPress on iOS which leads to this

What is the new behavior?

Adding a state argument for the iOS long press event. Android doesn't support states so it would always return state = 1 (began) when longPress is triggered.

Fixes/Implements/Closes #[Issue Number].

Related to #3573 (comment)