Issue 10: Removing the focus on textfield, when the user click on serach button

(code_refactoring)

Signed-off-by: Andre Bernardes <andrebsguedes@gmail.com>
Signed-off-by: Fabio Teixeira <fabio1079@gmail.com>
Signed-off-by: Jonnatas Lennon Lima Costa <jonatas_lenon@hotmail.com>