swipe-tracker: Reset state on unrealizing

Fixes GNOME/libhandy#323

Signed-off-by: Alexander Mikhaylenko <alexm@gnome.org>
11 jobs for close-swipe in 18 minutes and 20 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #836507
api-visibility

00:00:14

passed #836509
build-debian-clang

00:03:22

passed #836508
build-debian-gcc

00:02:23

passed #836510
build-fedora-gcc

00:07:15

passed #836511
flatpak
build-flatpak

00:06:04

passed #836512
flatpak
build-flatpak-glade

00:08:02

 
  Test+Docs
passed #836513
build-gtkdoc

00:02:33

passed #836514
unit-test

00:02:55

44.8%
 
  Package
passed #836515
package-debian-buster

00:04:01

 
  Test Package
passed #836516
autopkgtest-debian-buster-package

00:03:20

passed #836517
lintian-debian-buster-package

00:01:44