Fieldcontain: Changed selector to take hidden form elements into account
Fieldcontain: Changed selector to take hidden form elements into account

Fixes gh-6701

arschmitz/uglymongrel-jquery-mobile,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/jquery-mobile,arschmitz/jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/jquery-mobile