* Adding ChainFileListFilter constructors to behave like CompositeFileListFilter
Fixes https://github.com/spring-projects/spring-integration/issues/2569
Adding constructors in `ChainFileListFilter` matching super, so this class behave
like `CompositeFileListFilter` when using XML flow configuration.
* Fix import error
* Fix checkstyle
* Fix checkstyle
* Fix checkstyle
* Fix author name case
Remove unnecessary javadoc
* Fix code smell squid:S1155
* Add a simple test case for initializing filters with constructor
Fix code smell squid:S1192
* Add a simple test case for initializing filters with constructor
Fix code smell squid:S1192
* Fix missing import
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