Network: Fix Nodes/Edges name.

src/Model/Network/Edge.py

@@ -75,6 +75,9 @@ class Edge(object):
 
     @property
     def name(self):
+        if self._name == "":
+            return f"R{self.id}"
+
         return self._name
 
     def is_enable(self):

src/Model/Network/Node.py

@@ -60,6 +60,9 @@ class Node(object):
 
     @property
     def name(self):
+        if self._name == "":
+            return f"N{self.id}"
+
         return self._name
 
     @property