Clear the input line after activating autocomplete

src/qt/rpcconsole.cpp

@@ -453,6 +453,8 @@ void RPCConsole::setClientModel(ClientModel *model)
         autoCompleter = new QCompleter(wordList, this);
         ui->lineEdit->setCompleter(autoCompleter);
 
+        // clear the lineEdit after activating from QCompleter
+        connect(autoCompleter, SIGNAL(activated(const QString&)), ui->lineEdit, SLOT(clear()), Qt::QueuedConnection);
         }
 }