RN-201 Polls completed on RN Android & iOS

[stanwolverine]

Description

Polls Create,End,Vote flows has been completed

Pre-launch Checklist

• [ ] The Documentation is updated accordingly, or this PR doesn't require it.
• [ ] I have updated the ExampleAppChangelog.txt file with relevant changes.
• [ ] I updated/added relevant documentation (doc comments with ///).
• [ ] I listed at least one issue that this PR fixes in the description above.
• [ ] I added new tests to check the change I am making, or this PR is test-exempt.
• [ ] All existing and new tests are passing.

[trunk-io[bot]]

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