♻️ refactor(osd, switcher): use Animator for smooth value transitions in OSD scale and switcher window animation

modules/corners.py

@@ -1,8 +1,5 @@
 from fabric.widgets.box import Box
-from fabric.widgets.button import Button
-from fabric.widgets.centerbox import CenterBox
 from fabric.widgets.shapes import Corner
-
 from utils.wayland import WaylandWindow as Window