Fix Unreal Blackholio Tutorial for project rename

[JasonAtClockwork]

Description of Changes

Fixes a problem with renaming the project from client_unreal to blackholio which causes the C++ header code to be incorrect

API and ABI breaking changes

N/A

Expected complexity level and risk

1 - Updates a small portion of the Unreal Tutorial documentation

Testing

Testing the current docs is what found the issue.

• Rebuilt the Unreal Blackholio from the tutorial

[JasonAtClockwork]

/update-llm-benchmark

[clockwork-labs-bot]

LLM Benchmark Results (ci-quickfix)

Language	Mode	Category	Tests Passed	Pass %	Task Pass %
Rust	rustdoc_json	basics	0/12	0.0%	0.0%
Rust	rustdoc_json	schema	0/10	0.0%	0.0%
Rust	rustdoc_json	total	0/22	0.0%	0.0%
C#	docs	basics	0/12	0.0%	0.0%
C#	docs	schema	0/10	0.0%	0.0%
C#	docs	total	0/22	0.0%	0.0%

_{Generated at: 2026-01-14T22:34:48.039Z}