refactor: Rewrite update status message

src/widget/contentdialog.cpp

@@ -663,6 +663,15 @@ bool ContentDialog::isGroupWidgetActive(int groupId)
     return widget->isActive();
 }
 
+// TODO: Connect to widget directly
+void ContentDialog::setStatusMessage(int friendId, const QString& message)
+{
+    auto widget = friendWidgets.value(friendId);
+    if (widget != nullptr) {
+        widget->setStatusMsg(message);
+    }
+}
+
 /**
  * @brief Update friend widget name and position.
  * @param friendId Friend Id.

src/widget/contentdialog.h

@@ -87,6 +87,8 @@ public:
     bool isFriendWidgetActive(int friendId);
     bool isGroupWidgetActive(int groupId);
 
+    void setStatusMessage(int friendId, const QString& message);
+
 signals:
     void friendDialogShown(const Friend* f);
     void groupDialogShown(Group* g);

src/widget/contentdialogmanager.cpp

@@ -165,12 +165,10 @@ void ContentDialogManager::updateFriendStatus(int friendId)
  */
 void ContentDialogManager::updateFriendStatusMessage(int friendId, const QString& message)
 {
-    auto iter = friendList.find(friendId);
-    if (iter == friendList.end()) {
-        return;
+    auto dialog = friendDialogs.value(friendId);
+    if (dialog != nullptr) {
+        dialog->setStatusMessage(friendId, message);
     }
-
-    std::get<1>(iter.value())->setStatusMsg(message);
 }
 
 void ContentDialogManager::updateGroupStatus(int groupId)