pbxProject: pbxCopyFilesBuildPhaseObj missing 'frameworks'

Previously there was no way to access SUBFOLDERSPEC_BY_DESTINATION.frameworks

Author: aabluedragon

lib/pbxProject.js

@@ -1447,6 +1447,7 @@ function pbxCopyFilesBuildPhaseObj(obj, folderType, subfolderPath, phaseName){
         command_line_tool: 'wrapper',
         dynamic_library: 'products_directory',
         framework: 'shared_frameworks',
+        frameworks: 'frameworks',
         static_library: 'products_directory',
         unit_test_bundle: 'wrapper',
         watch_app: 'wrapper',