fix(cdk): fix state emit for ConcurrentPerPartitionCursor #2719

Job	Run time
Get Changes	4s
Check: 'source-shopify' (skip=false)	10m 36s
Check: 'source-google-drive' (skip=true)	5s
Check: 'source-hardcoded-records' (skip=false)	4m 34s
Check: 'source-pokeapi' (skip=false)	3m 13s
Check: 'source-amplitude' (skip=false)	8m 32s
Check: 'destination-motherduck' (skip=true)	4s
	27m 8s

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