QDS-10490 Crash on QRC allocation

Closes QDS-10490

• fix: unregister previous data before registering the new one

design-viewer/src/dv_base.cpp

@@ -65,11 +65,23 @@ QString DvBase::unpackProject(const QByteArray &project, bool extractZip)
     if (projectLocationDir.isEmpty()) {
         if (extractZip)
             printLog("File could not be extracted. Trying to open it as a resource file.");
-        const uchar *data = reinterpret_cast<const uchar *>(project.data());
-        printLog("Registering resource data. Size: " + QString::number(project.size()));
+
+        const uchar *data;
+        if (m_projectData.size()) {
+            printLog("Unregistering the previous data from QRC system. Path: " + m_projectPath
+                     + " Size: " + QString::number(m_projectData.size()) + " bytes.");
+            data = reinterpret_cast<const uchar *>(m_projectData.data());
+            if (!QResource::unregisterResource(data, m_projectPath)) {
+                printErr("Cannot unregister the previous resource data.");
+            }
+        }
+
+        m_projectData = project;
+        data = reinterpret_cast<const uchar *>(m_projectData.data());
+        printLog("Registering resource data. Size: " + QString::number(m_projectData.size()));
 
         const QString resourcePath{"/" + QString::number(QRandomGenerator::global()->generate())};
-        //         const QString resourcePath{"/qtdesignviewer"};
+        m_projectPath = resourcePath;
 
         if (!QDir(resourcePath).removeRecursively()) {
             printLog("Could not remove resource path: " + resourcePath);