fix(messaging, android): handle nullable broadcast intent (#7893)

[divineniiquaye]

Description

Add a check to handle scenarios where the broadcast intent comes with no extras, preventing potential crashes and logging an error for better debugging.

This ensures stability when processing message broadcasts without extras.

Related issues

Closes #7893

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • Yes
• My change supports the following platforms;
  • Android
  • iOS
• My change includes tests;
  • e2e tests added or updated in packages/\*\*/e2e
  • jest tests added or updated in packages/\*\*/__tests__
• I have updated TypeScript types that are affected by my change.
• This is a breaking change;
  • Yes
  • No

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Name	Status	Preview	Comments	Updated (UTC)
react-native-firebase	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 14, 2024 9:45am

[CLAassistant]

All committers have signed the CLA.

[russellwheatley]

Providing this passes CI, I'm happy for this to go in 👍