services: add new block fetching from NeoFS service #1361

Job	Run time
Check internal dependencies	10s
Check code generated with 'go generate' is up-to-date	39s
CodeQL (go)	2m 59s
Lint	57s
Coverage	6m 50s
Run tests (ubuntu-22.04, 1.20)	7m 44s
Run tests (ubuntu-22.04, 1.21)	6m 52s
Run tests (windows-2022, 1.22)	20m 39s
Run tests (macos-12, 1.22)	13m 38s
Run tests (macos-14, 1.22)	16m 43s
	1h 17m 11s

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