fix new module IE 10 dialog form submit on enter
fix new module IE 10 dialog form submit on enter

test plan:

* in a course that already has one or more modules,
 use IE 10 toopen the "create module" dialog to add a module
 to a course
* with keyboard focus on the module name text field,
 press enter
* should submit the module as in other browsers

fixes #CNVS-14224

Change-Id: I1952c3d60e1ad05dfd4ea5962218f09dd2d21d5f
Reviewed-on: https://gerrit.instructure.com/37979
Reviewed-by: Ryan Shaw <ea3cd978650417470535f3a4725b6b5042a6ab59@instructure.com>
QA-Review: Clare Strong <40d6bb3ed7fef516c73274131d5a837c16de74fd@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Product-Review: James Williams  <3a5f4ed991dbfa5c9ef76ad729d240ca12f62180@instructure.com>

sfu/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,Jyaasa/canvas-lms,leftplusrightllc/canvas-lms,ShreniiNepal/shrenii_lmp,juoni/canvas-lms,redconfetti/canvas-lms,antoniuslin/canvas-lms,greyhwndz/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,tgroshon/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,efrj/canvas-lms,SwinburneOnline/canvas-lms,tgroshon/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,tgroshon/canvas-lms,skmezanul/canvas-lms,skmezanul/canvas-lms,samuels410/greatlakes-lms,fronteerio/canvas-lms,Rvor/canvas-lms,leftplusrightllc/canvas-lms,skmezanul/canvas-lms,juoni/canvas-lms,kyroskoh/canvas-lms,jay3126/canvas-lms,HotChalk/canvas-lms,roxolan/canvas-lms,whalejasmine/canvas-lms,ShreniiNepal/shrenii_lmp,Jyaasa/canvas-lms,samuels410/greatlakes-lms,venturehive/canvas-lms,roxolan/canvas-lms,grahamb/canvas-lms,wrdsb/canvas-lms,va7map/canvas-lms,leftplusrightllc/canvas-lms,Jyaasa/canvas-lms,sdeleon28/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,venturehive/canvas-lms,utkarshx/canvas-lms,samuels410/greatlakes-lms,SwinburneOnline/canvas-lms,wye0220/shindig-canvas,sfu/canvas-lms,venturehive/canvas-lms,Unow/canvas-lms,antoniuslin/canvas-lms,jay3126/canvas-lms,redconfetti/canvas-lms,va7map/canvas-lms,redconfetti/canvas-lms,whalejasmine/canvas-lms,shidao-fm/canvas-lms,tgroshon/canvas-lms,kyroskoh/canvas-lms,va7map/canvas-lms,whalejasmine/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,greyhwndz/canvas-lms,va7map/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,wye0220/shindig-canvas,venturehive/canvas-lms,shidao-fm/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,fronteerio/canvas-lms,leftplusrightllc/canvas-lms,kyroskoh/canvas-lms,HotChalk/canvas-lms,jay3126/canvas-lms,efrj/canvas-lms,antoniuslin/canvas-lms,juoni/canvas-lms,samuels410/greatlakes-lms,sdeleon28/canvas-lms,jay3126/canvas-lms,ShreniiNepal/shrenii_lmp,wye0220/shindig-canvas,Unow/canvas-lms,antoniuslin/canvas-lms,Unow/canvas-lms,wrdsb/canvas-lms,skmezanul/canvas-lms,fronteerio/canvas-lms,wrdsb/canvas-lms,sfu/canvas-lms,utkarshx/canvas-lms,Rvor/canvas-lms,utkarshx/canvas-lms,sfu/canvas-lms,greyhwndz/canvas-lms,ShreniiNepal/shrenii_lmp,roxolan/canvas-lms,sdeleon28/canvas-lms,Jyaasa/canvas-lms,juoni/canvas-lms,redconfetti/canvas-lms,shidao-fm/canvas-lms,wrdsb/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,utkarshx/canvas-lms,whalejasmine/canvas-lms,djbender/canvas-lms,sdeleon28/canvas-lms,efrj/canvas-lms,HotChalk/canvas-lms,kyroskoh/canvas-lms