Fix collapse event not being fired
Fix collapse event not being fired

Change-Id: I4ef111feb8f7734884577c5ea50055a35bdfe1c7

jisqyv/appinventor-sources,barreeeiroo/appinventor-sources,halatmit/appinventor-sources,jisqyv/appinventor-sources,mit-dig/punya,mit-cml/appinventor-sources,josmas/app-inventor,ewpatton/appinventor-sources,mit-cml/appinventor-sources,ewpatton/appinventor-sources,mit-dig/punya,mit-cml/appinventor-sources,ewpatton/appinventor-sources,mit-dig/punya,josmas/app-inventor,ewpatton/appinventor-sources,barreeeiroo/appinventor-sources,halatmit/appinventor-sources,jisqyv/appinventor-sources,halatmit/appinventor-sources,josmas/app-inventor,mit-cml/appinventor-sources,puravidaapps/appinventor-sources,mit-cml/appinventor-sources,mit-dig/punya,puravidaapps/appinventor-sources,puravidaapps/appinventor-sources,mit-dig/punya,mit-dig/punya,ewpatton/appinventor-sources,barreeeiroo/appinventor-sources,josmas/app-inventor,barreeeiroo/appinventor-sources,jisqyv/appinventor-sources,jisqyv/appinventor-sources,josmas/app-inventor,mit-dig/punya,josmas/app-inventor,halatmit/appinventor-sources,mit-cml/appinventor-sources,ewpatton/appinventor-sources,puravidaapps/appinventor-sources,halatmit/appinventor-sources,barreeeiroo/appinventor-sources,jisqyv/appinventor-sources,halatmit/appinventor-sources,puravidaapps/appinventor-sources