[Qt] Add sorting feature to the requested payments table

src/qt/receivecoinsdialog.cpp

@@ -55,6 +55,8 @@ void ReceiveCoinsDialog::setModel(WalletModel *model)
         ui->recentRequestsView->horizontalHeader()->setSectionResizeMode(RecentRequestsTableModel::Message, QHeaderView::Stretch);
 #endif
         ui->recentRequestsView->horizontalHeader()->resizeSection(RecentRequestsTableModel::Amount, 100);
+
+        model->getRecentRequestsTableModel()->sort(RecentRequestsTableModel::Date, Qt::DescendingOrder);
     }
 }