Complete Qt6 migration: full clean build green across groups G1-G12 incl. runtime plugin set

new_docker_build.sh gains Group 12 (212 GUI/Data plugins); fixes LtsUtilsGuiDds visibility (LTO-stripped exports), LtsProjectionWorkstation unity name shadow, 6 unity-off dirs (dup file-scope statics, ddsftc INTERFACE sources) and reconfigures BUILD_FILTERMANAGEMENT/BUILD_PLUGINS_SERVICEMONITOR=ON

qt6-after/qt6-migrated-legatus/Z/src/nglwidgets/CMakeLists.txt

@@ -95,9 +95,13 @@ endif()
 # SV: logView
 NGL_ADD_LIBRARY2(WS AAR SV nglwidgets SHARED ${nglwidgets_SRCS} ${oxygen_SRCS})
 if(HAVE_POPPLER_QT6)
-  target_compile_definitions(nglwidgets PRIVATE HAVE_POPPLER_QT6)
-  target_include_directories(nglwidgets PRIVATE ${POPPLER_QT6_INCLUDE_DIRS})
-  target_link_libraries(nglwidgets PRIVATE ${POPPLER_QT6_LIBRARIES})
+  # nglpdfwidget.h is a public header that conditionally includes poppler and
+  # declares poppler-typed methods under HAVE_POPPLER_QT6, so consumers that
+  # include it must see the same definition: propagate the define, the poppler
+  # include dir and the lib on the PUBLIC interface (build-only; no behavior change).
+  target_compile_definitions(nglwidgets PUBLIC HAVE_POPPLER_QT6)
+  target_include_directories(nglwidgets PUBLIC ${POPPLER_QT6_INCLUDE_DIRS})
+  target_link_libraries(nglwidgets PUBLIC ${POPPLER_QT6_LIBRARIES})
 endif()
 if(QT6_GUI_AVAILABLE)
   NGL_TARGET_LINK_LIBRARIES(nglwidgets
@@ -114,7 +118,10 @@ endif()
 NGL_INSTALL_TARGET(nglwidgets)
 
 # Unit test for PDFWidget
-IF(BUILD_TESTING AND TARGET nglwidgets AND QT6_GUI_AVAILABLE)
+# Only buildable when Poppler-Qt6 is available: the nglwidgets lib compiles
+# nglpdfwidget.cpp (defining NGL::PDFWidget) only under HAVE_POPPLER_QT6, so the
+# test cannot link otherwise.
+IF(BUILD_TESTING AND TARGET nglwidgets AND QT6_GUI_AVAILABLE AND HAVE_POPPLER_QT6)
   FIND_PACKAGE(Qt6 REQUIRED COMPONENTS Test)
   ADD_EXECUTABLE(test_nglpdfwidget test_nglpdfwidget.cpp)
   TARGET_LINK_LIBRARIES(test_nglpdfwidget PRIVATE nglwidgets Qt6::Test ${Qt6_Widgets})