c#: Mechanical refactors #2587

Job	Run time
Check	1m 55s
Rustfmt	9s
Build wit-bindgen (x86_64-linux, ubuntu-latest)	1m 34s
Test (ubuntu-latest, c)	4m 12s
Build wit-bindgen (x86_64-macos, macos-latest, x86_64-apple-darwin)	1m 21s
Test (ubuntu-latest, rust)	4m 37s
Crate Unit Tests	56s
Build wit-bindgen (aarch64-macos, macos-latest, aarch64-apple-darwin)	1m 23s
verify-publish	1m 49s
Test (ubuntu-latest, teavm-java)	4m 51s
Build wit-bindgen (x86_64-windows, windows-latest)	3m 53s
Test (ubuntu-latest, go)	5m 34s
Test (ubuntu-latest, csharp)	8m 6s
Build wit-bindgen (aarch64-linux, ubuntu-latest, aarch64-unknown-linux-gnu)	1m 54s
Test (macos-latest, c)	4m 32s
Test (macos-latest, rust)	4m 9s
Test (macos-latest, teavm-java)	5m 16s
Test (macos-latest, go)	4m 59s
Test (macos-latest, csharp)	6m 6s
Test (windows-latest, c)	8m 31s
Test (windows-latest, rust)	10m 1s
Test (windows-latest, teavm-java)	9m 22s
Test (windows-latest, go)	11m 33s
Test (windows-latest, csharp)	31m 12s
Record the result of testing and building steps	1s
	2h 17m 56s

Provide feedback