feat(rpc): v0.8.0 `getMessagesStatus` method #1971

Job	Run time
Run check / rust_check	57s
Update DB Version / update-db-version	0s
Run linters / markdown-lint	14s
Build Madara / build	5m 5s
Run Coverage / coverage	12m 18s
Run linters / prettier	8s
Run linters / toml-lint	5s
Run Cargo linters / cargo-lint	14m 39s
Run JS Tests	0s
	33m 26s

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