/RTIR/Search/Results.html shows up less often

This reduces the number of tests we walk.  In 8d3cc5fa0f we stop adding
CurrentSearchHash on ever search rendering.  Since the menu code only
looks at CurrentSearchHash before showing a results link, it was
triggering even if there wasn't a tickets object in your session yet.

ShowResults now only update CurrentSearchHash when also updating
session{'tickets'}, rather than allowing session{'CurrentSearchHash'}
and session{'tickets'} to have nothing to do with each other.