Add chat history keyboard scrolling and remove unused PTT setting

tools/chatgui/src/messagelist.cpp

@@ -680,6 +680,8 @@ MessageList::MessageList(DbManager* db, AudioRecorder* recorder, QWidget *parent
     m_inputBar = new InputBar(m_emojiPanel, recorder, this);
     layout->addWidget(m_inputBar);
     m_inputBar->installFileDropTarget(m_view->viewport());
+    m_inputBar->focusProxy()->installEventFilter(m_view);
+    window()->installEventFilter(m_view);
 
     connect(m_inputBar, &InputBar::sendMessage, this, [this](const QString &text, const QByteArray& reply, quint64 request) {
         if (!gui_bridge_get_inst() || !gui_bridge_is_uasync_ready()) {