demo: Clear filter when search is stopped

When the search entry disappears on Escape,
reset the search string to "", so we don't
end up with a filtered list and no obvious
way to remove the filtering.
10 jobs for matthiasc/for-master in 34 minutes and 20 seconds (queued for 1 second)
Status Job ID Name Coverage
  .Pre
failed #808634
allowed to fail
style-check-diff

00:00:43

 
  Build
passed #808635
fedora-x86_64

00:06:19

passed #808637
win32-ps
msys2-mingw64

00:04:40

passed #808636
release-build

00:10:30

 
  Analysis
failed #808639
privileged allowed to fail
asan-build

00:09:18

passed #808638
static-scan

00:16:52

 
  Docs
passed #808640
reference

00:06:13

 
  Flatpak
manual #808641
flatpak allowed to fail manual
flatpak-manual:demo
manual #808643
flatpak allowed to fail manual
flatpak-manual:icon-browser
manual #808642
flatpak allowed to fail manual
flatpak-manual:widget-factory
 
Name Stage Failure
failed
asan-build Analysis
Processing gtk suite css:
- css: 195 total, 194 pass, 1 fail
Processing gtk suite tools:
- tools: 3 total, 3 pass, 0 fail
Processing gtk suite reftest:
- reftest: 132 total, 130 pass, 2 fail
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1
failed
style-check-diff .Pre
+                                                               P_ ("Key Capture Widget"),
+ GTK_TYPE_WIDGET,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_EXPLICIT_NOTIFY);

g_object_class_install_properties (object_class, LAST_PROPERTY, widget_props);

Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1