Column layout causes white-space no-wrap on every descendant

Steps to Reproduce

https://zkfiddle.org/sample/2alpo5i/1-columnlayout-cause-no-wrap

run fiddle

Current Result

Labels located in a descendant component of the columnlayout receive white-space: no-wrap;

causes content not to line break as expected

Expected Result

column layout doesn't prevent line breaks in content

Debug Information

Workaround

	<style>
		.z-columnchildren-content > * {
		    white-space: initial;
		}
	</style>