refactor: [#1201] extract TorrentsManager #559

Job	Run time
Build on ubuntu-latest (nightly)	3m 5s
Formatting	46s
Build on ubuntu-latest (stable)	3m 46s
Build on macos-latest (nightly)	3m 45s
Build on macos-latest (stable)	4m 41s
Build on windows-latest (nightly)	6m 17s
Build on windows-latest (stable)	7m 37s
Static Analysis (nightly)	1m 49s
Static Analysis (stable)	1m 53s
Units (nightly)	5m 22s
Units (stable)	6m 0s
E2E (nightly)	14m 10s
E2E (stable)	16m 14s
	1h 15m 25s

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