Rust

Make schema calculations for `LogicalPlan::Aggregate` and `LogicalPlan::Distinct` consistent with the `HashExec` #21790

Job	Run time
build with wasm-pack	1m 56s
Check cargo fmt	41s
cargo test (mac)	9m 40s
Verify MSRV	4m 56s
cargo check	2m 4s
Verify Vendored Code	47s
cargo test (win64)	15m 24s
cargo test doc (amd64)	0s
cargo test (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo examples (amd64)	0s
cargo doc	0s
Run sqllogictest with Postgres runner	0s
clippy	0s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
check Cargo.toml formatting	0s
check configs.md is up-to-date	0s
cargo test hash collisions (amd64)	0s
	35m 28s

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