Add `SessionContext`/`SessionState::create_physical_expr()` to create `PhysicalExpressions` from `Expr`s #26404

Job	Run time
cargo test (macos)	9m 33s
cargo check	6m 38s
build with wasm-pack	2m 13s
cargo test (macos-aarch64)	10m 26s
cargo test (win64)	36m 7s
Check cargo fmt	44s
Verify MSRV (Min Supported Rust Version)	6m 32s
Verify Vendored Code	57s
cargo examples (amd64)	10m 43s
cargo test (amd64)	9m 44s
cargo doc	3m 35s
cargo test datafusion-cli (amd64)	3m 48s
cargo test doc (amd64)	11m 48s
Run sqllogictest with Postgres runner	3m 20s
cargo test pyarrow (amd64)	2m 39s
verify benchmark results (amd64)	10m 39s
check Cargo.toml formatting	2m 52s
clippy	4m 40s
check configs.md is up-to-date	2m 42s
cargo test hash collisions (amd64)	9m 3s
	2h 28m 43s

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