Enable batch delivery over WebSockets #4005

Job	Run time
docker	2m 19s
build	3m 15s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyE2ESuite, sqlite3, erc20_erc721, true)	6m 20s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyE2ESuite, postgres, erc20_erc721, true)	5m 52s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyE2ESuite, sqlite3, erc1155, true)	5m 58s
e2e-test (ethereum, evmconnect, TestEthereumMultipartyTokensRemoteNameE2ESuite, postgres, erc20_e...	3m 32s
e2e-test (fabric, TestFabricE2ESuite, sqlite3, none, true)	3m 42s
e2e-test (ethereum, evmconnect, TestEthereumGatewayE2ESuite, sqlite3, erc20_erc721, false)	3m 13s
e2e-test (fabric, TestFabricGatewayE2ESuite, sqlite3, none, false)	3m 36s
e2e-test (ethereum, ethconnect, TestEthereumMultipartyE2ESuite, sqlite3, erc20_erc721, true)	5m 35s
e2e-test (ethereum, ethconnect, TestEthereumGatewayLegacyEthE2ESuite, sqlite3, erc1155, false)	3m 1s
	46m 23s

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