fix transforms from handler

app/gcompose/src/MainPanel.cpp

@@ -17,6 +17,8 @@
 #include "StyleManager.h"
 
 MainPanel::MainPanel(QWidget* parent) : QWidget(parent), m_context(nullptr), m_mainVtkContext(nullptr) {
+    this->setObjectName("MainPanel");
+    this->setAttribute(Qt::WA_StyledBackground);
     auto* mainLayout = new QVBoxLayout(this);
     mainLayout->setContentsMargins(0, 0, 0, 0);
     mainLayout->setSpacing(0);
@@ -158,7 +160,6 @@ void MainPanel::setContext(uLib::ObjectsContext* context) {
             }
 
             uLib::Object::connect(context, &uLib::Object::Updated, [viewport]() {
-                viewport->ZoomAuto();
                 viewport->Render();
             });
             viewport->ZoomAuto();