[REF] update various small addons to the new module system

addons/bus/static/src/js/bus.js

addons/calendar/static/src/js/base_calendar.js

addons/document/static/src/js/document.js

addons/edi/static/src/js/edi.js

addons/gamification/static/src/js/gamification.js

addons/google_calendar/static/src/js/calendar_sync.js

addons/google_drive/static/src/js/gdrive.js

addons/google_spreadsheet/static/src/js/search.js