Annotate conditional compilation for fixed_point so it compiles in all profiles #9339

Job	Run time
Clippy	1m 25s
Build and test (windows-latest)	1m 47s
Format Q# Files	45s
Format	13s
Build and test (ubuntu-latest)	2m 1s
Build and test (macos-14)	2m 2s
Integration tests (windows-latest)	1m 45s
Integration tests (ubuntu-latest)	2m 1s
Rust Unit tests (windows-latest)	1m 45s
Check web files	29s
Rust Unit tests (ubuntu-latest)	2m 1s
Integration tests (macos-14)	2m 2s
Rust Unit tests (macos-14)	2m 3s
Status Check	1s
	20m 20s

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