MWEB-1028: prevent reloading the page after submiting the form by hitting enter
MWEB-1028 prevent submiting the form on hitting enter while creating POI categories
MWEB-1028: modal.$element is already a jQuery object no need to wrap it with $()
Merge pull request #5212 from Wikia/MWEB-1028

MWEB-1028 P3 fix for a bug in the process of creating maps