[V2] dismissAllModals doesn't fully drops all the modals

[vshkl]

Issue Description

When dismissing all the modals via dismissAllModas and trying to open those modals again, an IDs collision happens.

Steps to Reproduce / Code Snippets / Screenshots

• Show the first modal screen
• Show the second modal screen from the componentDidApear from the first one
• Dismiss all the modals from the second one
• Try to show the first modal again

Expected: the first and the second modals should be shown subsequently
Got: Exception 'Component id already exists screen.ModalOne' was thrown while invoking showModal has been thrown.

Demo app: https://github.com/vshkl/RNNDemo/tree/bug/dismiss-all-modals

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Environment

• React Native Navigation version: 2.5.1-snapshot.127
• React Native version: 0.57.5
• Platform(s) (iOS, Android, or both?): iOS
• Device info (Simulator/Device? OS version? Debug/Release?): Simulator, 12.1, Debug

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
If you believe the issue is still relevant, please test on the latest Detox and report back. Thank you for your contributions.

[stale]

The issue has been closed for inactivity.