This makes the 'twisties' in the holdings maintenance interface default to a closed...

This makes the 'twisties' in the holdings maintenance interface default to a closed position (ie. the plus sign), and they'll sync up correctly with rows whether they're expanded or not, but, new bug??, if you toggle these rows open and close rapidly enough with mouseclicks, you can get a 'missed-click' where the toggle does not happen.  I tried tracing the behavior to pinpoint where exactly things go awry, but I'm giving up for now.. seems to be a minor bug, and the other display/render bug is fixed

git-svn-id: svn://svn.open-ils.org/ILS/trunk@7712 dcc99617-32d9-48b4-a31d-7c20da2025e4