wgpu-core: Only produce StageError::InputNotConsumed on DX11/DX12 (#4… #6

Job	Run time
Run `cargo deny check`	6m 12s
Run `cargo deny check advisories`	6m 10s
Clippy Windows x86_64	3m 50s
Clippy MacOS x86_64	2m 13s
Clippy MacOS aarch64	2m 4s
Clippy IOS aarch64	2m 14s
Doctest	1m 2s
Format	26s
Clippy Linux x86_64	1m 51s
Clippy cts_runner	1m 6s
Clippy Linux aarch64	2m 2s
Test WebAssembly	5m 55s
Test Windows x86_64	9m 23s
Clippy Android aarch64	1m 42s
Test Mac aarch64	1s
Clippy WebAssembly	1m 50s
Test Linux x86_64	8m 51s
Clippy Emscripten	1m 21s
	58m 13s

Provide feedback