Re-enable IME support on Linux #12931

Job	Run time
android	21s
cargo-deny aarch64-apple-darwin	40s
cargo-deny aarch64-linux-android	39s
Check wasm32 + wasm-bindgen	2m 35s
cargo-deny i686-pc-windows-gnu	47s
cargo-deny i686-pc-windows-msvc	49s
cargo-deny i686-unknown-linux-gnu	45s
Check wasm32+atomics	1m 52s
cargo-deny wasm32-unknown-unknown	39s
cargo-deny x86_64-apple-darwin	40s
Format + check + test	5m 50s
cargo-deny x86_64-pc-windows-gnu	38s
cargo-deny x86_64-pc-windows-msvc	39s
ios	21s
cargo-deny x86_64-unknown-linux-gnu	37s
cargo-deny x86_64-unknown-linux-musl	38s
cargo-deny x86_64-unknown-redox	39s
Check Windows	1m 58s
	21m 7s

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