SL: Fix modification status.

src/Model/SedimentLayer/SedimentLayer.py

@@ -319,6 +319,7 @@ class SedimentLayer(SQLSubModel):
     @name.setter
     def name(self, name):
         self._name = name
+        self.modified()
 
     def names(self):
         return list(
@@ -335,6 +336,7 @@ class SedimentLayer(SQLSubModel):
     @comment.setter
     def comment(self, comment):
         self._comment = comment
+        self.modified()
 
     @classmethod
     def _db_create(cls, execute, ext=""):