fix: Automatic loading of PFObject subclasses not working on Xcode 16

[mapierce]

New Pull Request Checklist

• I am not disclosing a vulnerability.
• I am creating this PR in reference to an issue.

Issue Description

Closes: #1792

Xcode 16 changes the default setting for Enable Debug Dylib Support to YES which adds a suffix of .debug.dylib to the target at runtime meaning the standard call of objc_copyClassNamesForImage with the image name will not find anything while the scheme is running in Debug mode.

Approach

Adding the suffix based on the scheme build configuration fixes the issue to find the target at runtime and makes objc_copyClassNamesForImage work as expected.

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[mman]

@mapierce Your PR adds a .debug.dylib filename suffix to the search path, which I understand will lookup the dynamic library with debug symbols when running from Xcode via DEBUG build scheme... that is correct...

But what happens at runtime? Does the issue #1792 not happen at all when the app is archived in release mode?

[mapierce]

@mman Correct it doesn't happen in release mode. ENABLE_DEBUG_DYLIB being enabled only alters debug builds.

[mtrezza]

Fixing timeout in #1810 before merging this PR

[mtrezza]

Is this ready for merge?

[mapierce]

Is this ready for merge?

Hey @mtrezza seems I'm still getting a timeout on two jobs there. I have no ability to re-run them if you wouldn't mind

[mtrezza]

This is strange, because the job passed for #1810 and I haven't found any other timeouts in actions. The timeout seems to be related to this PR, in which case we cannot merge it, because it increases the CI time >=5x. Any idea what may cause this?

[mtrezza]

@mapierce another PR has been opened with #1811, any takeaways?