Fix search title display

![grafik](/uploads/9d77f1ff25b69ec480925e5e56d27f61/grafik.png)

2059ce29 made it so Dolphin's
url display could show something like "Query Results from %27search
term%27" instead of "Query Results from 'search term'". This commit
fixes this regression by removing the percent encoding on the title
for filenamesearch. (Baloosearch was never affected.)