fix: resolve hanging JavaScript promises on Android

[kota113]

PR Title

🔄 Type of change:

• [ ] ✨Feature/chore
• [ ] :recycle: Refactor
• [x] :wrench: Bugfixes

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:pencil2: Description:

The current implementation ignores a JavaScript promise on Android, resulting in an infinite wait for a result from Line.setup().

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:movie_camera: Screen record:

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:pushpin: Notes:

• Include pending tasks, TODOs, assumptions, or comments like 'Needs migrating', or 'Requires ENV vars: [..]'

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:heavy_check_mark:Tasks:

• Include a medium-level tasking that summarizes the changes in the code

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:warning: Warnings:

• Include a list of considerations for reviewers or future developers. For example:
• The feature in production triggers a service call so it will charge the account credit card
• The service X is mocked so this part is not tested

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