[Rust] Support more System.Array methods and tests #79

Job	Run time
build-integration	3m 4s
build-dart	2m 1s
build-javascript (ubuntu-latest)	3m 53s
analyzers	5m 21s
build-javascript (windows-latest)	6m 30s
build-python (ubuntu-latest, 3.10)	2m 49s
build-rust (default)	3m 7s
build-standalone	5m 5s
build-python (ubuntu-latest, 3.11)	2m 35s
build-typescript	2m 20s
build-rust (no_std)	3m 15s
build-python (ubuntu-latest, 3.12)	2m 38s
build-rust (threaded)	3m 8s
build-python (windows-latest, 3.10)	4m 4s
Check that solution can be restored	25s
build-python (windows-latest, 3.11)	4m 7s
verify-linting	24s
build-python (windows-latest, 3.12)	4m 1s
	58m 47s

Provide feedback