For #11465  - Fix default engine for widget voice search

This was changed to 2020-04-01 in b01dbeee

I assume this was just a typo, since a lot of metrics got changed to 2021-04-01
in the same commit.

* Fixes #4840

* Fixes #4840 - Adds dark search widget based on system theme

The two methods are serving the same purpose, with one calling the other.
This prepares the ground for adding a method to delete icons in only one place
and remove confusion about what that place should be.

* Delete unused drawabled

Mostly leftovers from quick action bar

* Remove duplicate drawables using tints

align collection title