[NT-2003] Add React Native offline behavior

[akfreas]

Adds:

• Reachability support for online/offline status using optional @react-native-community/netinfo package
• Passes reachability status via online() when state changes
• E2E and unit tests for these, using the runAdbShell command to simulate airplane mode during testing

The @react-native-community/netinfo is optional because it's a native module that developers may not be interested in adding to their project. We handle this by loading the module using require and then no-op when it's not present.

[wiz-inc-38d59fb8d7]

Wiz Scan Summary

Scanner	Findings
Vulnerabilities	2  6  3
Sensitive Data	-
Secrets	-
IaC Misconfigurations	-
SAST Findings	-
Software Management Findings	-
Total	2  6  3

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