notice when the editor changed height, and update accordingly
notice when the editor changed height, and update accordingly

fixes a bug where an editor with very little text wouldn't update
its gutter on resize

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rror,leoshine/CodeMirror,webida/CodeMirror,mtaran-google/CodeMirror,davidpham87/CodeMirror,thomasjm/CodeMirror,sanyaade-iot/CodeMirror,filonb/CodeMirror2,rasata/CodeMirror,explorigin/CodeMirror,manderson23/CodeMirror,amshali/CodeMirror,alur/CodeMirror,sanyaade-iot/CodeMirror,ThebingServices/CodeMirror,vanloswang/CodeMirror,Navaneethsen/CodeMirror,ThebingServices/CodeMirror,Allenice/CodeMirror,davidpham87/CodeMirror,amsul/CodeMirror,morrisonwudi/CodeMirror,hccampos/CodeMirror,pabloferz/CodeMirror,jkaplon/CodeMirror,webida/CodeMirror,bluesh55/CodeMirror,angelozerr/CodeMirror,tpphu/CodeMirror,jessegrosjean/CodeMirror,fmoliveira/CodeMirror,ssxxue/CodeMirror,sekcheong/CodeMirror,MarcelGerber/CodeMirror,camellhf/CodeMirror,r7kamura/CodeMirror,symbla/CodeMirror,NumbersInternational/CodeMirror,karthikeyansam/CodeMirror,ssxxue/CodeMirror,kuangyeheng/CodeMirror,CartoDB/CodeMirror,TDaglis/CodeMirror,symbla/CodeMirror,mightyguava/CodeMirror,Aliccer/CodeMirror,TechnicalPursuit/CodeMirror,Dominator008/CodeMirror,jkaplon/CodeMirror,xeronith/CodeMirror,leafo/CodeMirror2,rustemferreira/CodeMirror,SidPresse/CodeMirror,MarcelGerber/CodeMirror,AlanWasTaken/codemirror,rasata/CodeMirror,anthonygego/CodeMirror,namin/CodeMirror,isdampe/CodeMirror,hackmdio/CodeMirror,mizchi/CodeMirror,djadmin/CodeMirror,joshterrell805-historic/CodeMirror,trumanliu/CodeMirror,bocharsky-bw/CodeMirror,qiankun007/CodeMirror,Icenium/CodeMirror,michaelerobertsjr/CodeMirror,cben/CodeMirror,rustemferreira/CodeMirror,mtaran-google/CodeMirror,Carreau/CodeMirror,apatawari/CodeMirror,TDaglis/CodeMirror,cintiamh/CodeMirror,belph/CodeMirror,cintiamh/CodeMirror,cben/CodeMirror,vincentwoo/CodeMirror,grzegorzmazur/CodeMirror,hccampos/CodeMirror,skylarkcob/CodeMirror,isdampe/CodeMirror,TechnicalPursuit/CodeMirror,gkoberger/CodeMirror,kuangyeheng/CodeMirror,dbarnett/CodeMirror,davidpham87/CodeMirror,InternetGuru/CodeMirror,flyskyko/CodeMirror,Jisuanke/CodeMirror,kangkot/CodeMirror,notepadqq/CodeMirror,sekcheong/CodeMirror,NumbersInternational/CodeMirror,adobe/CodeMirror2,loopspace/CodeMirror,shiren/CodeMirror,jansel/CodeMirror,explorigin/CodeMirror,jessegrosjean/CodeMirror,filonb/CodeMirror2,cintiamh/CodeMirror,antimatter15/CodeMirror,wingify/CodeMirror,pinbe/CodeMirror,flyskyko/CodeMirror,EasonYi/CodeMirror,jayaprabhakar/CodeMirror,happibum/CodeMirror-main,tpphu/CodeMirror,gkoberger/CodeMirror,buchslava/CodeMirror,rustemferreira/CodeMirror,ficristo/CodeMirror,karevn/CodeMirror,amshali/CodeMirror,GerHobbelt/CodeMirror2,karevn/CodeMirror,NeZaMy/CodeMirror2,qweasd1/CodeMirror,EasonYi/CodeMirror,grzegorzmazur/CodeMirror,antimatter15/CodeMirror,increpare/CodeMirror,sanyaade-iot/CodeMirror,r7kamura/CodeMirror,CartoDB/CodeMirror,vincentwoo/CodeMirror,dudb/CodeMirror,axter/CodeMirror,Carreau/CodeMirror,sekcheong/CodeMirror,fmoliveira/CodeMirror,kerabromsmu/CodeMirror,bgrins/CodeMirror,buchslava/CodeMirror,schanzer/CodeMirror,ksanaforge/CodeMirror,shiren/CodeMirror,KamranMackey/CodeMirror