Rust

Use the more explicit `egui_extras::install_image_loaders` #7259

Job	Run time
Check wasm32 + wasm-bindgen	3m 49s
android	58s
Format + check + test	8m 13s
cargo-deny aarch64-apple-darwin	48s
Check Windows	5m 29s
cargo-deny aarch64-linux-android	47s
cargo-deny i686-pc-windows-gnu	1m 0s
cargo-deny i686-pc-windows-msvc	52s
cargo-deny i686-unknown-linux-gnu	1m 8s
cargo-deny wasm32-unknown-unknown	53s
cargo-deny x86_64-apple-darwin	49s
cargo-deny x86_64-pc-windows-gnu	56s
cargo-deny x86_64-pc-windows-msvc	49s
cargo-deny x86_64-unknown-linux-gnu	58s
cargo-deny x86_64-unknown-linux-musl	1m 5s
cargo-deny x86_64-unknown-redox	56s
	29m 30s

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