Add a Message-Driven File Inbound Channel Adapter [INT-4000]

[spring-operator]

Gary Russell opened INT-4000 and commented

See #7932

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Issue Links:

• The directory should not be repeatly defined in both WatchServiceDirectoryScanner and <int-file:inbound-channel-adapter /> [INT-3989] #7932 The directory should not be repeatly defined in both WatchServiceDirectoryScanner and <int-file:inbound-channel-adapter />