cmake: fix OSX bundle creation

dist/mac/bundle.cmake

@@ -1,2 +1,3 @@
+set(BU_CHMOD_BUNDLE_ITEMS ON)
 include(BundleUtilities)
 fixup_bundle("$ENV{DESTDIR}/${CMAKE_INSTALL_PREFIX}/qbittorrent.app" "" "")

src/app/CMakeLists.txt

@@ -172,6 +172,6 @@ install(TARGETS ${QBT_TARGET_NAME}
     BUNDLE  DESTINATION .
     COMPONENT runtime)
 
-if (APPLE)
+if (APPLE AND GUI)
     install(SCRIPT ${OSX_RES_SRC_DIR}/bundle.cmake)
-endif (APPLE)
+endif (APPLE AND GUI)