SDK-2309 cache link data when initialization is deferred

[echo-branch]

Reference

SDK-2309 Cache link data when initialization is deferred

Summary

On React Native we had a caching mechanism to store links until the JS layer was ready. This is not working properly when using the optional deferred init on iOS. This moves the caching to the native iOS layer.

Motivation

Fix cold link open when using deferred init on iOS with React Native

Type Of Change

• [x] Bug fix (non-breaking change which fixes an issue)

Testing Instructions

Enable deferred init with the branch.json Add a delayed notifyNativeToInit Install app, but make sure it is fully closed Open the app with a universal link

Without this change the link will be ignored. With this change the link will be used with the deferred init.

Also need to test this on React Native.

cc @BranchMetrics/saas-sdk-devs for visibility.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 33.33333% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 51.16%. Comparing base (4152af5) to head (2009c84). Report is 13 commits behind head on master.

Files	Patch %	Lines
Sources/BranchSDK/Branch.m	33.33%	9 Missing and 1 partial :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1369      +/-   ##
==========================================
+ Coverage   51.03%   51.16%   +0.13%     
==========================================
  Files          66       66              
  Lines       10126    10133       +7     
  Branches     3714     3718       +4     
==========================================
+ Hits         5168     5185      +17     
+ Misses       4700     4692       -8     
+ Partials      258      256       -2     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[nsingh-branch]

What does the latest Allow init calls to come in late. commit do?

[echo-branch]

What does the latest Allow init calls to come in late. commit do?

Added comment to code view. Still researching if this change is correct.