Network: Add window title translate.

src/View/Network/Window.py

@@ -56,11 +56,14 @@ class NetworkWindow(PamhyrWindow):
     _pamhyr_name = "River network"
 
     def __init__(self, study=None, config=None, parent=None):
+        trad = NetworkTranslate()
+        name = trad[self._pamhyr_name] + " - " + study.name
+
         super(NetworkWindow, self).__init__(
-            title=self._pamhyr_name + " - " + study.name,
+            title=name,
             study=study,
             config=config,
-            trad=NetworkTranslate(),
+            trad=trad,
             options=['undo'],
             parent=parent,
         )

src/View/Network/translate.py

@@ -27,6 +27,10 @@ class NetworkTranslate(PamhyrTranslate):
     def __init__(self):
         super(NetworkTranslate, self).__init__()
 
+        self._dict["River network"] = _translate(
+            "Network", "River network"
+        )
+
         self._sub_dict["table_headers_node"] = {
             "name": _translate("Network", "Name"),
             "type": _translate("Network", "Type"),