Bug 1237071 - prevents tier dropdown opening after entering search text
Bug 1237071 - prevents tier dropdown opening after entering search text

After entering text in the "Filter platforms & jobs" the "Tier" dropdown
would open because it was a <button> rather than a <span> and the text
box calls for a blur on enter.

tojon/treeherder,akhileshpillai/treeherder,kapy2010/treeherder,wlach/treeherder,KWierso/treeherder,glenn124f/treeherder,tojonmz/treeherder,wlach/treeherder,kapy2010/treeherder,kapy2010/treeherder,KWierso/treeherder,akhileshpillai/treeherder,edmorley/treeherder,tojonmz/treeherder,wlach/treeherder,glenn124f/treeherder,tojonmz/treeherder,akhileshpillai/treeherder,tojon/treeherder,glenn124f/treeherder,akhileshpillai/treeherder,tojon/treeherder,KWierso/treeherder,edmorley/treeherder,akhileshpillai/treeherder,edmorley/treeherder,wlach/treeherder,tojonmz/treeherder,edmorley/treeherder,tojonmz/treeherder,kapy2010/treeherder,tojonmz/treeherder,kapy2010/treeherder,glenn124f/treeherder,glenn124f/treeherder,akhileshpillai/treeherder,KWierso/treeherder,wlach/treeherder,tojon/treeherder,wlach/treeherder,glenn124f/treeherder