PhoshLayerSurface: Be verbose when acking configure

This is an important event when surface properties change.

Signed-off-by: Guido Günther <guido.gunther@puri.sm>
5 jobs for home-screen in 4 minutes and 58 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
passed #108655
librem5
build:native

00:01:27

 
  Test
passed #108656
librem5
test:native

00:01:14

passed #108657
librem5
test:smoke:one-output

00:02:06

passed #108658
librem5
test:smoke:two-outputs

00:02:09

 
  Package
passed #108659
librem5
package:deb

00:01:20