Trebuchet: add toggle for desktop and drawer labels

Squashed with:

Author: razorloves <razorloves@gmail.com>
Date:   Wed Jan 8 23:53:25 2020 -0600

    Trebuchet: Fix missing icon labels in folders

    Fixes regression introduced in 186796eb.

    Change-Id: I1e6054fe84ea54bf2a85bf6d26760196ffe78f69

Author: LuK1337 <priv.luk@gmail.com>
Date:   2021-01-13 17:01:22 +0100

    Trebuchet: Honor desktop show labels preference for folder icons

    Fixes: https://gitlab.com/LineageOS/issues/android/-/issues/2937



    Change-Id: I5769057809890cd8086ec01d6e9d1be87fe17c25

Change-Id: I98063b7adaf22029c4bfa50d2cac730f3612e121
Signed-off-by: Joey <joey@lineageos.org>