KON-652 Lösung des aufgetretenen Bugs nit Bezeichnung KON-679

Signed-off-by: Ina Curdt <Ina.Curdt@pta.de>

src/app/shared/components/anonymizer/anonymizer.sandbox.ts

diff --git a/src/app/shared/components/anonymizer/anonymizer.sandbox.ts b/src/app/shared/components/anonymizer/anonymizer.sandbox.ts
index 1391c84..12947cc 100644
--- a/src/app/shared/components/anonymizer/anonymizer.sandbox.ts
+++ b/src/app/shared/components/anonymizer/anonymizer.sandbox.ts
@@ -69,9 +69,13 @@
   }
 
   private hasNoActiveAssignments(element, index, array) {
+    if(element.deletionLockUntil == null){
+        return true;
+    }
+    else{
       let dateNow: number = Date.now();
       let dateUntil: number = Date.parse(element.deletionLockUntil)
       return dateUntil < dateNow;
-
+    }
   }
 }