ENYO-3737: show the brokem file path in the onyx input

Related JIRA: https://enyojs.atlassian.net/browse/ENYO-3737

Tested on W7, Chrome, FF, IE10

See comments in the JIRA

Enyo-DCO-1.1-Signed-off-by: Olga Popova <olga.popova@hp.com>