refactor(errors)!: improve RusticError display and usage #1599

Job	Run time
Cross checking x86_64-pc-windows-msvc	7m 59s
Cross checking x86_64-pc-windows-gnu	1m 53s
Cross checking x86_64-apple-darwin	30s
Cross checking aarch64-apple-darwin	1m 33s
Cross checking x86_64-unknown-linux-gnu	26s
Cross checking x86_64-unknown-linux-musl	4m 29s
Cross checking x86_64-pc-windows-msvc	6m 46s
Cross checking x86_64-pc-windows-gnu	7m 29s
Cross checking x86_64-apple-darwin	3m 10s
Cross checking aarch64-apple-darwin	3m 39s
Cross checking x86_64-unknown-linux-gnu	3m 44s
Cross checking x86_64-unknown-linux-musl	4m 8s
Result (Cross-CI)	0s
	45m 46s

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