Add details to `RequestDeviceError`. #7677

Job	Run time
Test WebAssembly	5m 31s
Test Windows x86_64	10m 0s
Test Mac aarch64	1m 29s
Test Linux x86_64	5m 59s
Run `cargo deny check advisories`	4m 21s
Run `cargo deny check`	4m 20s
Clippy Windows x86_64	3m 0s
Clippy cts_runner	47s
Clippy MacOS x86_64	3m 12s
Clippy MacOS aarch64	3m 1s
Doctest	59s
Clippy IOS aarch64	3m 12s
Clippy Linux x86_64	1m 31s
Clippy Linux aarch64	1m 57s
Format	18s
Clippy Android aarch64	1m 34s
Clippy WebAssembly	1m 57s
Clippy Emscripten	55s
	54m 3s

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