Copilot: Merge copilotoptionspagewidget.{h,cpp} into copilotoptionspage.cpp

Too small to be worth a translation unit. Also drop unnecessary Q_OBJECT.

Change-Id: Ife1bce6498eae81e2979c2798f8d4f19da16a11d
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/plugins/copilot/copilotoptionspage.cpp

@@ -3,13 +3,41 @@
 
 #include "copilotoptionspage.h"
 
-#include "copilotoptionspagewidget.h"
+#include "authwidget.h"
+#include "copilotsettings.h"
 #include "copilotsettings.h"
 
 #include <coreplugin/icore.h>
 
+#include <utils/layoutbuilder.h>
+#include <utils/pathchooser.h>
+
+using namespace Utils;
+using namespace LanguageClient;
+
 namespace Copilot {
 
+class CopilotOptionsPageWidget : public QWidget
+{
+public:
+    CopilotOptionsPageWidget(QWidget *parent = nullptr)
+        : QWidget(parent)
+    {
+        using namespace Layouting;
+
+        auto authWidget = new AuthWidget();
+
+        // clang-format off
+        Column {
+            authWidget, br,
+            CopilotSettings::instance().nodeJsPath, br,
+            CopilotSettings::instance().distPath, br,
+            st
+        }.attachTo(this);
+        // clang-format on
+    }
+};
+
 CopilotOptionsPage::CopilotOptionsPage()
 {
     setId("Copilot.General");