use LIKE as the default operator for the queue filter

This simplifies searching for queues and brings this in parity with the users
and groups filter.

share/html/Admin/Queues/index.html

@@ -122,6 +122,6 @@ $FindDisabledQueues => 0
 $Format             => undef
 
 $QueueField         => 'Name'
-$QueueOp            => '='
+$QueueOp            => 'LIKE'
 $QueueString        => ''
 </%ARGS>