fix contact request not added because unknown

src/app/modules/main/profile_section/contacts/module.nim

@@ -158,7 +158,11 @@ method changeContactNickname*(self: Module, publicKey: string, nickname: string)
   self.controller.changeContactNickname(publicKey, nickname)
 
 proc updateContactItem(self: Module, publicKey: string) =
+  let ind = self.view.contactsModel().findIndexByPubKey(publicKey)
   let item = self.createItemFromPublicKey(publicKey)
+  if ind == -1:
+    self.view.contactsModel().addItem(item)
+    return
   self.view.contactsModel().updateItem(
     publicKey,
     item.displayName,

src/app/modules/shared_models/user_model.nim

@@ -189,7 +189,18 @@ QtObject:
     self.endInsertRows()
     self.countChanged()
 
+  proc findIndexByPubKey*(self: Model, pubKey: string): int =
+    for i in 0 ..< self.items.len:
+      if self.items[i].pubKey == pubKey:
+        return i
+
+    return -1
+
   proc addItem*(self: Model, item: UserItem) =
+    let ind = self.findIndexByPubKey(item.pubKey)
+    if ind != -1:
+      return
+
     let position = self.items.len
 
     let parentModelIndex = newQModelIndex()
@@ -205,13 +216,6 @@ QtObject:
      self.items = @[]
      self.endResetModel()
 
-  proc findIndexByPubKey(self: Model, pubKey: string): int =
-    for i in 0 ..< self.items.len:
-      if self.items[i].pubKey == pubKey:
-        return i
-
-    return -1
-
   proc getItemByPubKey*(self: Model, pubKey: string): UserItem =
     for item in self.items:
       if item.pubKey == pubKey: