Add a quickfix for accessing a private field of a struct #35785

Job	Run time
Rust (windows-latest)	9m 7s
proc-macro-srv	1m 48s
Rust (macos-latest)	5m 6s
changes	5s
rustfmt	20s
Rust (ubuntu-latest)	5m 1s
Rust Cross (x86_64-unknown-linux-musl)	1m 13s
Typo Check	5s
analysis-stats	9m 46s
miri	39s
Rust Cross (wasm32-unknown-unknown)	48s
Rust Cross (powerpc-unknown-linux-gnu)	1m 12s
TypeScript	0s
conclusion	3s
	35m 13s

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