Fix current song area when more than 2 lines : auto scroll (=vertical)
Fix border between playlist and search result on a page with sliders
Border wasn't visible for the last 15px because of a margin.
Auto-save modifications on a search tab (page, sort order, ...)
Thus, search tabs are correctly restored (ex: refresh web page with F5).
Previously, search tabs were only restored to page 1 and sort order was lost.