MOB-12033 Renamed CoreData method for iOS 26 compatibility

[joaodordio]

🔹 Jira Ticket(s)

• MOB-12033

✏️ Description

Renames a conflicting method name with the native CoreData one.
Versions older than iOS 15 will use the custom method, newer versions will use the native one.

Acknowledgements

Thank you @fnazarios and @rajusa420 for raising this issue!

[codecov]

Codecov Report

❌ Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.17%. Comparing base (6e2fdec) to head (6e47cc0).
⚠️ Report is 888 commits behind head on master.

Files with missing lines	Patch %	Lines
swift-sdk/Internal/CoreDataUtil.swift	0.00%	1 Missing ⚠️
...ift-sdk/Internal/IterableCoreDataPersistence.swift	75.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #954       +/-   ##
===========================================
- Coverage   85.19%   70.17%   -15.03%     
===========================================
  Files          91      109       +18     
  Lines        6301    10044     +3743     
===========================================
+ Hits         5368     7048     +1680     
- Misses        933     2996     +2063     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.