Remove preventDefault and mousedown workaround
Remove preventDefault and mousedown workaround

As long as the mousedown event does not have preventDefault,
dragging out of an iframe works as expected.

RobertoMalatesta/Leaflet,elfalem/Leaflet,psicomante/Leaflet,MuellerMatthew/Leaflet,nikhildhamsaniya/Leaflet,olafurr/Leaflet,nvoron23/Leaflet,stefanocudini/Leaflet,DrillingInfo/Leaflet,grahamthompson/Leaflet,bolshoibooze/Leaflet,jblarsen/Leaflet,2gis/Leaflet,mbrukman/Leaflet,jasonoverland/Leaflet,tormi/Leaflet,wrrnwng/Leaflet,jblarsen/Leaflet,tbassett44/Leaflet,mourner/Leaflet,tomnod/Leaflet,Andrey-Pavlov/Leaflet,w8r/Leaflet,huangsong/Leaflet,litnerdy/Leaflet,pakro/Leaflet,sellonen/Leaflet,webmechanicx/Leaflet,pakro/Leaflet,frogcat/Leaflet,mbrukman/Leaflet,Srikanth4/Leaflet,msokk/Leaflet,andrewmartini/Leaflet,yohanboniface/Leaflet,RLRR/Leaflet,Leaflet/Leaflet,eriksjaastad/Leaflet,thalesfsp/Leaflet,webmechanicx/Leaflet,nvoron23/Leaflet,brunocasanova/frontend-asset-leaflet,akrzyzanowskino/TeamSE,grahamthompson/Leaflet,taraszerebecki/Leaflet,alex2wong/Leaflet,psicomante/Leaflet,jasonoverland/Leaflet,fillerwriter/Leaflet,frogcat/Leaflet,RobertoMalatesta/Leaflet,perliedman/Leaflet,nathancahill/Leaflet,Ubisense/Leaflet,javimolla/Leaflet,gabrielpconceicao/frontend-asset-leaflet,snkashis/Leaflet,w8r/Leaflet,CorainChicago/Leaflet,Ubisense/Leaflet,caiiiycuk/Leaflet,nkovacs/Leaflet,andrewmartini/Leaflet,bbecquet/Leaflet,litnerdy/Leaflet,elkingtonmcb/Leaflet,kumy/Leaflet,jmutua2015/Leaflet,lee101/Leaflet,grahamthompson/Leaflet,Ossehoht/Leaflet,psicomante/Leaflet,fredericksilva/Leaflet,wpf500/Leaflet,fab1an/Leaflet,wpf500/Leaflet,juliensoret/Leaflet,geoloep/Leaflet,kumy/Leaflet,jmutua2015/Leaflet,nycitt/Leaflet,Andrey-Pavlov/Leaflet,rlugojr/Leaflet,iamjonbradley/Leaflet,srdavis/leaflet-template,CapeSepias/Leaflet,Fil/Leaflet,twoubt/Leaflet,olafurr/Leaflet,iOffice/Leaflet,thalesfsp/Leaflet,tsantacruz/RotationalMarker,tormi/Leaflet,Jakobud/Leaflet,javimolla/Leaflet,tbassett44/Leaflet,iamjonbradley/Leaflet,fredericksilva/Leaflet,jmutua2015/Leaflet,azimux/Leaflet,twoubt/Leaflet,beni55/Leaflet,codeator/Leaflet,beni55/Leaflet,akrzyzanowskino/TeamSE,mediasuitenz/Leaflet,bolshoibooze/Leaflet,Ubisense/Leaflet,nycitt/Leaflet,tbassett44/Leaflet,sisou/Leaflet,brunocasanova/frontend-asset-leaflet,Ossehoht/Leaflet,tyrasd/Leaflet,lee101/Leaflet,olafurr/Leaflet,patrickarlt/Leaflet,RyanHickman/Leaflet,fredericksilva/Leaflet,tsantacruz/RotationalMarker,w8r/Leaflet,thalesfsp/Leaflet,wrrnwng/Leaflet,Fil/Leaflet,gabrielpconceicao/frontend-asset-leaflet,sambernet/Leaflet,davojta/Leaflet,sisou/Leaflet,iZucken/Leaflet,MuellerMatthew/Leaflet,sisou/Leaflet,cartant/Leaflet,tormi/Leaflet,dhootha/Leaflet,codeator/Leaflet,klaftertief/Leaflet,cmulders/Leaflet,rlugojr/Leaflet,davidlukerice/Leaflet,dhootha/Leaflet,billybonz1/Leaflet,dhootha/Leaflet,danzel/Leaflet,sambernet/Leaflet,kumy/Leaflet,brunocasanova/frontend-asset-leaflet,nathancahill/Leaflet,fab1an/Leaflet,starsolaris/Leaflet,akauppi/Leaflet,elkingtonmcb/Leaflet,kjell/Leaflet,nikhildhamsaniya/Leaflet,msiadak/Leaflet,waeltken/Leaflet,Srikanth4/Leaflet,MuellerMatthew/Leaflet,starsolaris/Leaflet,msokk/Leaflet,geoloep/Leaflet,stefanocudini/Leaflet,mediasuitenz/Leaflet,lizardtechblog/Leaflet,mstahv/Leaflet,devjoseluis/Leaflet,stefanocudini/Leaflet,DrillingInfo/Leaflet,huangsong/Leaflet,Trufi/Leaflet,nathancahill/Leaflet,Trufi/Leaflet,frogcat/Leaflet,iZucken/Leaflet,litnerdy/Leaflet,davidlukerice/Leaflet,javimolla/Leaflet,waeltken/Leaflet,starsolaris/Leaflet,scaddenp/Leaflet,AP-whitehat/Leaflet,iOffice/Leaflet,scaddenp/Leaflet,tsantacruz/RotationalMarker,fillerwriter/Leaflet,davidlukerice/Leaflet,Ossehoht/Leaflet,cmulders/Leaflet,davojta/Leaflet,alex2wong/Leaflet,RobertoMalatesta/Leaflet,snkashis/Leaflet,gabrielpconceicao/frontend-asset-leaflet,taraszerebecki/Leaflet,prashen/Leaflet,Trufi/Leaflet,AndBicScadMedia/Leaflet,mediasuitenz/Leaflet,northerneyes/Leaflet,billybonz1/Leaflet,iZucken/Leaflet,klaftertief/Leaflet,hyperknot/Leaflet,billybonz1/Leaflet,elfalem/Leaflet,nycitt/Leaflet,fab1an/Leaflet,AndBicScadMedia/Leaflet,Jakobud/Leaflet,RLRR/Leaflet,CorainChicago/Leaflet,AP-whitehat/Leaflet,caiiiycuk/Leaflet,bbecquet/Leaflet,CorainChicago/Leaflet,wrrnwng/Leaflet,wancharle/Leaflet,RyanHickman/Leaflet,msiadak/Leaflet,bbecquet/Leaflet,Jakobud/Leaflet,Mark-Wood/Leaflet,pzdz/Leaflet,taraszerebecki/Leaflet,devjoseluis/Leaflet,Leaflet/Leaflet,waeltken/Leaflet,RLRR/Leaflet,AP-whitehat/Leaflet,RyanHickman/Leaflet,wancharle/Leaflet,jblarsen/Leaflet,rlugojr/Leaflet,bolshoibooze/Leaflet,cartant/Leaflet,prashen/Leaflet,msiadak/Leaflet,lee101/Leaflet,elfalem/Leaflet,nikhildhamsaniya/Leaflet,davojta/Leaflet,wpf500/Leaflet,snkashis/Leaflet,moklick/Leaflet,Mark-Wood/Leaflet,yohanboniface/Leaflet,nkovacs/Leaflet,codeator/Leaflet,beni55/Leaflet,klaftertief/Leaflet,pzdz/Leaflet,juliensoret/Leaflet,Neorth/Leaflet,northerneyes/Leaflet,akrzyzanowskino/TeamSE,pzdz/Leaflet,cmulders/Leaflet,iamjonbradley/Leaflet,Neorth/Leaflet,scaddenp/Leaflet,2gis/Leaflet,mourner/Leaflet,brah/Leaflet,brah/Leaflet,akauppi/Leaflet,eriksjaastad/Leaflet,twoubt/Leaflet,akauppi/Leaflet,sellonen/Leaflet,brah/Leaflet,mbrukman/Leaflet,mourner/Leaflet,CapeSepias/Leaflet,cartant/Leaflet,kjell/Leaflet,prashen/Leaflet,Leaflet/Leaflet,Fil/Leaflet,elkingtonmcb/Leaflet,tomnod/Leaflet,mstahv/Leaflet,huangsong/Leaflet,eriksjaastad/Leaflet,Andrey-Pavlov/Leaflet,yohanboniface/Leaflet,mstahv/Leaflet,Srikanth4/Leaflet,davidjb/Leaflet,hyperknot/Leaflet,fillerwriter/Leaflet,geoloep/Leaflet,iOffice/Leaflet,patrickarlt/Leaflet,msokk/Leaflet,devjoseluis/Leaflet,alex2wong/Leaflet,Neorth/Leaflet,andrewmartini/Leaflet,jasonoverland/Leaflet,tomnod/Leaflet,CapeSepias/Leaflet,2gis/Leaflet,webmechanicx/Leaflet,caiiiycuk/Leaflet,AndBicScadMedia/Leaflet,wancharle/Leaflet,sellonen/Leaflet,sambernet/Leaflet,hyperknot/Leaflet,pakro/Leaflet