generate interface and peer configuration filenames in backend only (#395)

frontend/src/helpers/models.js

@@ -42,7 +42,8 @@ export function freshInterface() {
     PeerDefPostDown: "",
 
     TotalPeers: 0,
-    EnabledPeers: 0
+    EnabledPeers: 0,
+    Filename: ""
   }
 }
 
@@ -120,6 +121,8 @@ export function freshPeer() {
       Overridable: true,
     },
 
+    Filename: "",
+
     // Internal values
     IgnoreGlobalSettings: false,
     IsSelected: false