feat(community): fetch community info from link

Fixes #2290

src/status/chat.nim

@@ -223,6 +223,14 @@ proc init*(self: ChatModel, pubKey: string) =
     self.mailserverReady = true
     self.requestMissingCommunityInfos()
 
+  if (topics.len == 0): 
+    warn "No topics found for chats. Cannot load past messages"
+  else:
+    self.events.once("mailserverAvailable") do(a: Args):
+      self.mailserverReady = true
+      self.requestMissingCommunityInfos()
+      self.events.emit("mailserverTopics", TopicArgs(topics: topics));
+
   self.events.on("contactUpdate") do(a: Args):
     var evArgs = ContactUpdateArgs(a)
     self.updateContacts(evArgs.contacts)

ui/app/AppLayouts/Chat/ChatColumn/Message.qml

@@ -61,6 +61,22 @@ Item {
         return Utils.removeStatusEns(alias)
     }
 
+    property string displayUserName: {
+        if (isCurrentUser) {
+            //% "You"
+            return qsTrId("You")
+        }
+
+        if (localName !== "") {
+            return localName
+        }
+
+        if (userName !== "") {
+            return Utils.removeStatusEns(userName)
+        }
+        return Utils.removeStatusEns(alias)
+    }
+
     property string authorCurrentMsg: "authorCurrentMsg"
     property string authorPrevMsg: "authorPrevMsg"