OutputPane: Use setter for display name

Change-Id: I2e89fbd052330c9e7124272c2f2fa81a0db94de9
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/plugins/debugger/console/console.cpp

@@ -37,6 +37,7 @@ namespace Debugger::Internal {
 
 Console::Console()
 {
+    setDisplayName(Tr::tr("QML Debugger Console"));
     m_consoleItemModel = new ConsoleItemModel(this);
 
     m_consoleWidget = new QWidget;
@@ -142,11 +143,6 @@ QList<QWidget *> Console::toolBarWidgets() const
              m_spacer, m_statusLabel};
 }
 
-QString Console::displayName() const
-{
-    return Tr::tr("QML Debugger Console");
-}
-
 int Console::priorityInStatusBar() const
 {
     return 20;