Use separate window for viewing logs

Signed-off-by: Yihe Li <winmikedows@hotmail.com>

launcher/ui/dialogs/ViewLogDialog.cpp

@@ -0,0 +1,21 @@
+#include "ViewLogDialog.h"
+#include "ui_ViewLogDialog.h"
+
+#include "ui/pages/instance/OtherLogsPage.h"
+
+ViewLogDialog::ViewLogDialog(QWidget* parent)
+    : QDialog(parent)
+    , ui(new Ui::ViewLogDialog)
+    , m_page(new OtherLogsPage("launcher-logs", tr("Launcher Logs"), "Launcher-Logs", nullptr, parent))
+{
+    ui->setupUi(this);
+    ui->verticalLayout->insertWidget(0, m_page);
+    connect(ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+    m_page->opened();
+}
+
+ViewLogDialog::~ViewLogDialog()
+{
+    m_page->closed();
+    delete ui;
+}