`FileInfoPollerServer` lookback exceeds limit leads to reprocessing files #271

Job	Run time
build	2m 30s
fmt	5s
clippy	1m 52s
tests (mobile-packet-verifier)	2m 27s
tests (coverage-point-calculator)	1m 39s
tests (coverage-map)	1m 14s
tests (ingest)	2m 10s
tests (reward-scheduler)	48s
tests (task-manager)	48s
tests-postgres (boost-manager)	3m 10s
tests-postgres (file-store)	2m 27s
tests-postgres (iot-packet-verifier)	4m 1s
tests-postgres (iot-config)	2m 25s
tests-postgres (iot-verifier)	2m 42s
tests-postgres (mobile-config)	2m 36s
tests-postgres (mobile-verifier)	2m 27s
build-release	0s
	33m 21s

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