Fix profiling build that included debug UI code

[saagarjha]

Contributor checklist

• [X] My commits are rebased on the latest main branch
• [X] My commits are in nice logical chunks
• [X] My contribution is fully baked and is ready to be merged as is
• [X] I have tested my contribution on these devices:

• MacBook Pro (14-inch, 2021), macOS Sonoma 14.5 (23F79)

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Description

DebugUIMisc is available behind USE_DEBUG_UI, not TESTABLE_BUILD.