fix(hosting): avoid false AppKit subview warnings

[Kyle-Ye]

Summary

• Override the AppKit rendered-subview insertion hook in NSHostingView.
• Match the conditional Objective-C selector pattern used by UIKit hosting.

[tuist]

🛠️ Tuist Run Report 🛠️

Tests 🧪

Scheme	Status	Cache hit rate	Tests	Skipped	Ran	Commit
OpenSwiftUI	✅	0 %	1224	0	1224	d6f3cfc81

Builds 🔨

Scheme	Status	Duration	Commit
OpenSwiftUI	✅	1m 36s	d6f3cfc81

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 28.23%. Comparing base (a321de1) to head (f8b3a16).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1081      +/-   ##
==========================================
- Coverage   30.40%   28.23%   -2.18%     
==========================================
  Files         802      749      -53     
  Lines       63525    55199    -8326     
==========================================
- Hits        19317    15584    -3733     
+ Misses      44208    39615    -4593     

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