Discourse should ignore if a character is accented when doing a search

[zogstrip (Régis Hanol)]

Ít̊’̊s̘ n̐ǫw͋ d̻oͭn͑e̐

https://github.com/discourse/discourse/commit/2fcf2b899e6193701b5c56414980789f0d0f2cbd