Implemented logic for clearing calculations when replacing the HRD. Related to Issue [WTI-326]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@2108 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 69e82c35dbccc8cb5dbde13fa296a5b27105b1c4Former-commit-id: 6938acf175e9ba2457cf461a1728e249b67991bf