Fixes #81: reset query when saving widget
Fixes #81: reset query when saving widget

jmvasquez/redashtest,pubnative/redash,M32Media/redash,pubnative/redash,ninneko/redash,ninneko/redash,EverlyWell/redash,getredash/redash,stefanseifert/redash,rockwotj/redash,hudl/redash,stefanseifert/redash,vishesh92/redash,guaguadev/redash,stefanseifert/redash,imsally/redash,hudl/redash,guaguadev/redash,moritz9/redash,moritz9/redash,rockwotj/redash,stefanseifert/redash,imsally/redash,getredash/redash,ninneko/redash,rockwotj/redash,stefanseifert/redash,amino-data/redash,M32Media/redash,guaguadev/redash,hudl/redash,jmvasquez/redashtest,getredash/redash,akariv/redash,chriszs/redash,useabode/redash,useabode/redash,crowdworks/redash,akariv/redash,pubnative/redash,jmvasquez/redashtest,EverlyWell/redash,crowdworks/redash,jmvasquez/redashtest,akariv/redash,akariv/redash,easytaxibr/redash,amino-data/redash,useabode/redash,chriszs/redash,amino-data/redash,jmvasquez/redashtest,M32Media/redash,EverlyWell/redash,44px/redash,alexanderlz/redash,ninneko/redash,crowdworks/redash,moritz9/redash,44px/redash,denisov-vlad/redash,getredash/redash,alexanderlz/redash,denisov-vlad/redash,moritz9/redash,getredash/redash,easytaxibr/redash,easytaxibr/redash,denisov-vlad/redash,imsally/redash,guaguadev/redash,crowdworks/redash,denisov-vlad/redash,hudl/redash,44px/redash,easytaxibr/redash,useabode/redash,44px/redash,alexanderlz/redash,chriszs/redash,easytaxibr/redash,vishesh92/redash,akariv/redash,denisov-vlad/redash,amino-data/redash,alexanderlz/redash,ninneko/redash,M32Media/redash,imsally/redash,vishesh92/redash,pubnative/redash,chriszs/redash,pubnative/redash,rockwotj/redash,vishesh92/redash,guaguadev/redash,EverlyWell/redash