quick_frontend (chat): create target in cache if it is not found, avoiding an exception

sat_frontends/quick_frontend/quick_chat.py

@@ -500,7 +500,7 @@ class QuickChat(quick_widgets.QuickWidget):
 
         if self.type == C.CHAT_ONE2ONE:
             special = self.host.contact_lists[self.profile].getCache(
-                self.target, C.CONTACT_SPECIAL
+                self.target, C.CONTACT_SPECIAL, create_if_not_found=True
             )
             if special == C.CONTACT_SPECIAL_GROUP:
                 # we have a private conversation