Combine launch buttons in Instance window, persist profiler

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/ui/InstanceWindow.h

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -37,6 +38,7 @@
 
 #include <QMainWindow>
 #include <QSystemTrayIcon>
+#include <QToolButton>
 
 #include "LaunchController.h"
 #include "launch/LaunchTask.h"
@@ -53,7 +55,7 @@ class InstanceWindow : public QMainWindow, public BasePageContainer
 
 public:
     explicit InstanceWindow(InstancePtr proc, QWidget *parent = 0);
-    virtual ~InstanceWindow();
+    virtual ~InstanceWindow() = default;
 
     bool selectPage(QString pageId) override;
     void refreshContainer() override;
@@ -71,11 +73,6 @@ signals:
 
 private
 slots:
-    void on_closeButton_clicked();
-    void on_btnKillMinecraft_clicked();
-    void on_btnLaunchMinecraftOffline_clicked();
-    void on_btnLaunchMinecraftDemo_clicked();
-
     void instanceLaunchTaskChanged(shared_qobject_ptr<LaunchTask> proc);
     void runningStateChanged(bool running);
     void on_instanceStatusChanged(BaseInstance::Status, BaseInstance::Status newStatus);
@@ -84,7 +81,7 @@ protected:
     void closeEvent(QCloseEvent *) override;
 
 private:
-    void updateLaunchButtons();
+    void updateButtons();
 
 private:
     shared_qobject_ptr<LaunchTask> m_proc;
@@ -92,7 +89,6 @@ private:
     bool m_doNotSave = false;
     PageContainer *m_container = nullptr;
     QPushButton *m_closeButton = nullptr;
+    QToolButton *m_launchButton = nullptr;
     QPushButton *m_killButton = nullptr;
-    QPushButton *m_launchOfflineButton = nullptr;
-    QPushButton *m_launchDemoButton = nullptr;
 };