chore(ios): sync JavaScript fatal crashes through promises

[a7medev]

Description of the change

Synchronize crash reporting fatal (unhandled) crashes with the iOS SDK through Promises instead of assuming the JavaScript-native call is sync (and it's not).

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Jira ID: MOB-13245

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests

Code review

• This pull request has a descriptive title and information useful to a reviewer
• Issue from task tracker has a link to this pull request

[InstabugCI]

Your snapshot has been generated! 🚀

Installation

You can install the snapshot through NPM:

npm install https://github.com/Instabug/Instabug-React-Native\#snapshot/fix/sync-ios-fatal-crashes

or Yarn:

yarn add https://github.com/Instabug/Instabug-React-Native\#snapshot/fix/sync-ios-fatal-crashes

[InstabugCI]

Coverage Report

Label	Coverage	Status
JavaScript	95.8%	✅
Android	50.3%	✅
iOS	40.3%	✅

Generated by 🚫 dangerJS against 8c76627

[InstabugCI]

Your snapshot has been generated! 🚀

Installation

You can install the snapshot through NPM:

npm install https://github.com/Instabug/Instabug-React-Native\#snapshot/fix/sync-ios-fatal-crashes

or Yarn:

yarn add https://github.com/Instabug/Instabug-React-Native\#snapshot/fix/sync-ios-fatal-crashes

[abdelhamid-f-nasser]

Great effort and well done on resolving this issue 👌🚀