Add a `getModel` method to editors' hidden input component
Add a `getModel` method to editors' hidden input component

...to make it easy to access the editor in response to DOM events or
when using document.activeElement.

Signed-off-by: Nathan Sobo <2e8aa918660411855c6d44d5bb2da677aa033255@github.com>

FIT-CSE2410-A-Bombs/atom,atom/atom,liuderchi/atom,brettle/atom,brettle/atom,kevinrenaers/atom,AlexxNica/atom,brettle/atom,liuderchi/atom,PKRoma/atom,PKRoma/atom,decaffeinate-examples/atom,xream/atom,Arcanemagus/atom,liuderchi/atom,stinsonga/atom,PKRoma/atom,kevinrenaers/atom,bsmr-x-script/atom,andrewleverette/atom,rlugojr/atom,ardeshirj/atom,xream/atom,me-benni/atom,stinsonga/atom,tjkr/atom,andrewleverette/atom,ardeshirj/atom,CraZySacX/atom,Mokolea/atom,AlexxNica/atom,stinsonga/atom,kevinrenaers/atom,sotayamashita/atom,xream/atom,AdrianVovk/substance-ide,tjkr/atom,decaffeinate-examples/atom,t9md/atom,me-benni/atom,atom/atom,Mokolea/atom,Arcanemagus/atom,tjkr/atom,FIT-CSE2410-A-Bombs/atom,rlugojr/atom,stinsonga/atom,Mokolea/atom,CraZySacX/atom,AlexxNica/atom,ardeshirj/atom,CraZySacX/atom,bsmr-x-script/atom,atom/atom,andrewleverette/atom,t9md/atom,decaffeinate-examples/atom,decaffeinate-examples/atom,sotayamashita/atom,rlugojr/atom,liuderchi/atom,me-benni/atom,FIT-CSE2410-A-Bombs/atom,AdrianVovk/substance-ide,Arcanemagus/atom,AdrianVovk/substance-ide,sotayamashita/atom,bsmr-x-script/atom,t9md/atom