xcm-executor: allow deposit of multiple assets if at least one of them satisfies ED #81

Job	Run time
set-image	9s
check-runtime-migration (asset-hub-westend)	6m 7s
check-runtime-migration (asset-hub-rococo)	6m 13s
check-runtime-migration (bridge-hub-westend)	6m 9s
check-runtime-migration (bridge-hub-rococo)	6m 10s
check-runtime-migration (contracts-rococo)	6m 14s
check-runtime-migration (collectives-westend)	6m 12s
check-runtime-migration (coretime-rococo)	6m 11s
	43m 25s

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