Fix Example Debug compilation conditions

[Kyle-Ye]

Agent Summary

This updates the Example Tuist package settings so generated package targets receive DEBUG in Debug configurations, matching the app targets and allowing debug-only code paths to compile into the Example build.

The change also makes ViewRendererVendor print as its raw vendor identifier, supports string literal initialization for the wrapper type, and prefixes the renderer diagnostic as OpenSwiftUI ViewRendererVendor: ... for easier console scanning.

Root cause: the Example app targets had Debug compilation conditions, but the Tuist-generated package targets such as OpenSwiftUICore used separate package settings that only configured optimization and compilation mode.

Validation:

• mise exec -- tuist generate --no-open
• xcodebuild -workspace Example/Example.xcworkspace -scheme OSUI_Example -configuration OpenSwiftUIDebug -sdk iphonesimulator -destination 'generic/platform=iOS Simulator' CODE_SIGNING_ALLOWED=NO build
• swift build --target OpenSwiftUICore

[augmentcode]

🤖 Augment PR Summary

Summary: Aligns the Example Tuist-generated package target settings with the app targets so Debug builds define DEBUG and debug-only code paths compile.
Changes: Adds Debug compilation conditions to package settings, improves ViewRendererVendor stringification (raw value + string-literal init), and prefixes the debug renderer diagnostic for easier log scanning.

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[augmentcode]

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[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 13.78%. Comparing base (aa8f2c0) to head (dcafea8).

Files with missing lines	Patch %	Lines
...e/Render/DisplayList/DisplayListViewRenderer.swift	0.00%	1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (aa8f2c0) and HEAD (dcafea8). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (aa8f2c0)	HEAD (dcafea8)
	2	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #883       +/-   ##
===========================================
- Coverage   26.95%   13.78%   -13.17%     
===========================================
  Files         678      638       -40     
  Lines       47144    41344     -5800     
===========================================
- Hits        12706     5701     -7005     
- Misses      34438    35643     +1205     

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