gui: Update Node window title with chain type

Update Node window with the chain type except for mainnet.
This replicates the behaviour of the main window.

src/qt/rpcconsole.cpp

@@ -571,6 +571,8 @@ RPCConsole::RPCConsole(interfaces::Node& node, const PlatformStyle *_platformSty
     clear();
 
     GUIUtil::handleCloseWindowShortcut(this);
+
+    updateWindowTitle();
 }
 
 RPCConsole::~RPCConsole()
@@ -1368,3 +1370,13 @@ void RPCConsole::updateAlerts(const QString& warnings)
     this->ui->label_alerts->setVisible(!warnings.isEmpty());
     this->ui->label_alerts->setText(warnings);
 }
+
+void RPCConsole::updateWindowTitle()
+{
+    const ChainType chain = Params().GetChainType();
+    if (chain == ChainType::MAIN) return;
+
+    const QString chainType = QString::fromStdString(Params().GetChainTypeString());
+    const QString title = tr("Node window - [%1]").arg(chainType);
+    this->setWindowTitle(title);
+}

src/qt/rpcconsole.h

@@ -189,6 +189,8 @@ private:
         return time_at_event.count() ? GUIUtil::formatDurationStr(time_now - time_at_event) : tr("Never");
     }
 
+    void updateWindowTitle();
+
 private Q_SLOTS:
     void updateAlerts(const QString& warnings);
 };