Enable batch delivery over WebSockets #4006

Job	Run time
docker	2m 24s
build	2m 59s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyE2ESuite, sqlite3, erc20_erc721, true)	5m 48s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyE2ESuite, postgres, erc20_erc721, true)	5m 50s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyE2ESuite, sqlite3, erc1155, true)	5m 52s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyTokensRemoteNameE2ESuite, postgres, erc20_e...	3m 38s
e2e-test (fabric, TestFabricE2ESuite, sqlite3, none, true)	3m 34s
e2e-test (ethereum, evmconnect, TestEthereumGatewayE2ESuite, sqlite3, erc20_erc721, false)	3m 10s
e2e-test (fabric, TestFabricGatewayE2ESuite, sqlite3, none, false)	3m 58s
e2e-test (ethereum, ethconnect, TestEthereumMultipartyE2ESuite, sqlite3, erc20_erc721, true)	5m 50s
e2e-test (ethereum, ethconnect, TestEthereumGatewayLegacyEthE2ESuite, sqlite3, erc1155, false)	3m 23s
	46m 26s

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