Fix browser detection for Edge
Fix browser detection for Edge

Since it's increased the strangeness of the userAgent string again

Issue #4408

ejgallego/CodeMirror,crazy4chrissi/CodeMirror,MarcelGerber/CodeMirror,ejgallego/CodeMirror,mtaran-google/CodeMirror,wingify/CodeMirror,codio/CodeMirror,ficristo/CodeMirror,thomasjm/CodeMirror,notepadqq/CodeMirror,SidPresse/CodeMirror,MarcelGerber/CodeMirror,jayaprabhakar/CodeMirror,nightwing/CodeMirror,SidPresse/CodeMirror,thomasjm/CodeMirror,grzegorzmazur/CodeMirror,ficristo/CodeMirror,codio/CodeMirror,kerabromsmu/CodeMirror,nightwing/CodeMirror,rrandom/CodeMirror,MarcelGerber/CodeMirror,schanzer/CodeMirror,notepadqq/CodeMirror,hackmdio/CodeMirror,crazy4chrissi/CodeMirror,wingify/CodeMirror,grzegorzmazur/CodeMirror,mtaran-google/CodeMirror,ficristo/CodeMirror,SidPresse/CodeMirror,pabloferz/CodeMirror,kerabromsmu/CodeMirror,dperetti/CodeMirror,jayaprabhakar/CodeMirror,jkaplon/CodeMirror,ejgallego/CodeMirror,grzegorzmazur/CodeMirror,hackmdio/CodeMirror,namin/CodeMirror,pabloferz/CodeMirror,crazy4chrissi/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror,schanzer/CodeMirror,mtaran-google/CodeMirror,kerabromsmu/CodeMirror,namin/CodeMirror,notepadqq/CodeMirror,dperetti/CodeMirror,pabloferz/CodeMirror,thomasjm/CodeMirror,hackmdio/CodeMirror,jkaplon/CodeMirror,jayaprabhakar/CodeMirror,dperetti/CodeMirror,jkaplon/CodeMirror,rrandom/CodeMirror,codio/CodeMirror,rrandom/CodeMirror,namin/CodeMirror,schanzer/CodeMirror