Adds latest migration results

qt6-after/qt6-migrated-legatus/Lts/Proxies/Buildings/BuildingControlUnit/Json/CMakeLists.txt

@@ -4,6 +4,14 @@
 # $Author$
 #
 
+# Make ${Qt6_WebSockets} optional
+if(QT6_GUI_AVAILABLE AND TARGET Qt6::WebSockets)
+  set(Qt6_WebSockets ${Qt6_WebSockets})
+else()
+  set(Qt6_WebSockets "")
+endif()
+
+
 SET(json_SRCS
   json_api.cpp
   json_api.h
@@ -14,7 +22,7 @@ SET(json_SRCS
 NGL_ADD_LIBRARY2(AAR SV BuildingControlJson SHARED ${json_SRCS})
 NGL_TARGET_LINK_LIBRARIES(BuildingControlJson
   PRIVATE
-    Qt6::WebSockets
+    ${Qt6_WebSockets}
   PUBLIC
     Qt6::Core
     Qt6::Network