Results: Add speed value into row data table.

src/View/Results/translate.py

@@ -57,4 +57,5 @@ class ResultsTranslate(MainTranslate):
             "name": _translate("Results", "Profile"),
             "water_elevation": self._dict["unit_water_elevation"],
             "discharge": self._dict["unit_discharge"],
+            "speed": self._dict["unit_speed"],
         }