home: Remove gtk_widget_queue_draw from (un)folding animation

This was causing a massive performance drop on the devkit, while a surface
commit is all that's really needed there.
5 jobs for anim-redraw in 6 minutes and 54 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
passed #137833
librem5
build:native

00:01:39

 
  Test
passed #137835
librem5
test:smoke:one-output

00:02:13

passed #137836
librem5
test:smoke:two-outputs

00:02:10

passed #137834
librem5
unit-test:native

00:01:25

6.1%
 
  Package
passed #137837
librem5
package:deb

00:01:37