Adds ktexttemplate as apt package to new_docker_build.sh and builds successfully

qt6-after/qt6-migrated-legatus/Lts/DDS/DdsUnitTests/function_topic_tests.h

@@ -50,8 +50,6 @@ class FunctionTopicTests : public QObject
     NGL::INGLLogger& m_logger;
     void requestWithState();
 
-  private:
-    NGL::INGLLogger& m_logger;
     std::unique_ptr<FTS::FunctionTopicTest> m_fts;
     std::unique_ptr<FTS::FunctionTopicTestWithState> m_ftsWS;