chore: fix coding style

src/backend.cpp

@@ -415,8 +415,8 @@ void Backend::runUserProject(const QString &projectName)
     const std::optional<QJsonArray> projectList = m_serviceConnector.fetchUserProjectList(userHash);
 
     if (projectList == std::nullopt) {
-        qCritical("Could not fetch up-to-date project information. Please check your internet "
-                  "connection and try again.");
+        qCritical() << "Could not fetch up-to-date project information. Please check your internet "
+                       "connection and try again.";
         emit popupClose();
         return;
     }

src/projectManager.cpp

@@ -81,7 +81,7 @@ void ProjectManager::cleanupResources()
                  << " Size: " << m_projectData.size() << " bytes.";
         data = reinterpret_cast<const uchar *>(m_projectData.data());
         if (!QResource::unregisterResource(data, m_projectPath)) {
-            qCritical("Cannot unregister the previous resource data.");
+            qCritical() << "Cannot unregister the previous resource data.";
         }
     }
 }
@@ -124,7 +124,7 @@ QString ProjectManager::unpackProject(const QByteArray &project, bool extractZip
         }
 
         if (!QResource::registerResource(data, resourcePath)) {
-            qCritical("Can not load the resource data.");
+            qCritical() << "Can not load the resource data.";
             return "";
         }