[FIX] Changes added to fix sheet history diff(Green color) shown when the fields are not changed. trim(html_entity_decode('&nbsp;')); doesn't reduce the string to an empty string. Ref: http://dev.tiki.org/item4879
[FIX] Changes added to fix sheet history diff(Green color) shown when the fields are not changed. trim(html_entity_decode('&nbsp;')); doesn't reduce the string to an empty string. Ref: http://dev.tiki.org/item4879

git-svn-id: fe65cb8b726aa1bab0c239f321eb4f822d15ce08@48585 b456876b-0849-0410-b77d-98878d47e9d5

changi67/tiki,tikiorg/tiki,changi67/tiki,changi67/tiki,oregional/tiki,oregional/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,tikiorg/tiki,changi67/tiki