Fix signal connection nodiscard warnings (#4818)

src/widgets/settingspages/CommandPage.cpp

@@ -45,7 +45,8 @@ CommandPage::CommandPage()
     view->setTitles({"Trigger", "Command", "Show In\nMessage Menu"});
     view->getTableView()->horizontalHeader()->setSectionResizeMode(
         1, QHeaderView::Stretch);
-    view->addButtonPressed.connect([] {
+    // We can safely ignore this signal connection since we own the view
+    std::ignore = view->addButtonPressed.connect([] {
         getApp()->commands->items.append(
             Command{"/command", "I made a new command HeyGuys"});
     });