Fix HAVE_KUNIFIEDPUSH not applying anymore

This compile-time definition was separated from the code during some
refactor.

src/app/CMakeLists.txt

@@ -342,9 +342,6 @@ if(TARGET KF6::DBusAddons AND NOT WIN32)
 endif()
 
 if (TARGET KUnifiedPush)
-    target_compile_definitions(neochat PUBLIC -DHAVE_KUNIFIEDPUSH)
-    target_link_libraries(neochat PUBLIC KUnifiedPush)
-
     if (NOT ANDROID)
         configure_file(org.kde.neochat.service.in ${CMAKE_CURRENT_BINARY_DIR}/org.kde.neochat.service)
         install(FILES ${CMAKE_CURRENT_BINARY_DIR}/org.kde.neochat.service DESTINATION ${KDE_INSTALL_DBUSSERVICEDIR})

src/libneochat/CMakeLists.txt

@@ -105,3 +105,8 @@ if(NOT ANDROID)
     )
     target_compile_definitions(LibNeoChat PUBLIC -DHAVE_ICU)
 endif()
+
+if (TARGET KUnifiedPush)
+    target_compile_definitions(LibNeoChat PUBLIC -DHAVE_KUNIFIEDPUSH)
+    target_link_libraries(LibNeoChat PUBLIC KUnifiedPush)
+endif()