Result window: prevent duplicate result reaches and inclde last profile in water limits

src/Model/Results/Results.py

@@ -341,7 +341,8 @@ class Results(SQLSubModel):
 
         self._name = name
         self._study = study
-        self._river = River(self._study, self)
+        # Solver readers add their own reaches; ensembles need them upfront.
+        self._river = River(self._study, self, init=is_ensemble)
 
         self._solver = solver
         self._repertory = repertory

src/Model/Results/River/River.py

@@ -456,7 +456,7 @@ class River(SQLSubModel):
 
             reach.update_water_limits(
                 timestamp,
-                data[ind[0]:ind[1]]
+                data[ind[0]:ind[1] + 1]
             )
 
     @classmethod