panel: Hide power popover on tapping topbar when appropriate

If the user taps the power button or over other buttons,
hide power popover (if open) instead of hiding the panel.
But if the user taps on the top panel area (other than
the power button), hide the panel
11 jobs for hide-power-popover in 46 minutes and 2 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
passed #344625
librem5
build:cross-debian-bullseye:i386

00:12:31

passed #344626
librem5
build:native-alpinelinux-edge

00:09:37

passed #344624
librem5
build:native-debian-bullseye

00:11:05

 
  Test+Docs
passed #344628
librem5
build-gtkdoc

00:04:32

passed #344630
librem5
check-license-headers

00:03:10

passed #344629
librem5
check-po

00:00:37

passed #344632
librem5
test:smoke:one-output

00:01:34

passed #344633
librem5
test:smoke:two-outputs

00:01:37

passed #344631
librem5
unit-test:native-alpinelinux-edge

00:00:37

passed #344627
librem5
unit-test:native-debian-bullseye

00:09:34

14.3%
 
  Package
passed #344634
librem5:arm64
package:deb-debian-bullseye:arm64

00:22:12