feat(2.0, nodejs): Silently request to stop background syncing when `WalletMethodHandler` is dropped #2116

Job	Run time
Check common feature sets (irc_27)	21s
Check common feature sets (irc_30)	21s
Check common feature sets (client,private_key_secret_manager)	44s
Check common feature sets (client,mqtt)	51s
Check common feature sets (client,participation)	43s
Check common feature sets (wallet,storage)	1m 13s
Check common feature sets (wallet,stronghold)	2m 58s
Check common feature sets (wallet,rocksdb)	5m 46s
Check common feature sets (wallet,participation)	39s
Check common feature sets (wallet,events)	45s
Check common feature sets (wallet,events,ledger_nano)	1m 0s
	15m 21s

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