Fix for Bug 3459, topissues doesn't take care of ccode

Fix for Bug 3459, topissues doesn't take care of ccode

- Change conditional to display filter in sidebar without EXPR
- Enhance switch between ccode default and itemtype default searches
- Enable preselect of submitted collection code in filter form,
  stealing code from opac-search.pl

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit f45969422c55f34edec3145b7e2fa1a85222932f)

Signed-off-by: Chris Nighswonger <chris.nighswonger@gmail.com>