Lockscreen swipe works but touch events do not

**NOTE**

Issues relating to the **general OS** can be filed under:
* [OS issues](https://source.puri.sm/Librem5/OS-issues)

Issues for **core apps** can be filed in their respective existing repositories:
* [Libhandy](https://source.puri.sm/Librem5/libhandy/issues) - GTK+ library for developing UIs for applications
* [Calls](https://source.puri.sm/Librem5/calls/issues) - phone calling application
* [Chatty](https://source.puri.sm/Librem5/chatty/issues) - messaging application
* [Phosh](https://source.puri.sm/Librem5/phosh/issues) - shell
* [wlroots](https://source.puri.sm/Librem5/wlroots/) - compositor
* [Virtboard](https://source.puri.sm/Librem5/virtboard/issues) - onscreen keyboard

Use this template for actual problems in other applications.
Use the "wishlist" template (still this repo) for requesting applications to be added/ported to the Librem 5.

What application is this relating to?

Lock screen

What problem did you encounter

Can't enter pin on lock screen

What is the actual behaviour?

I can swipe up to get to the lock screen but pressing the number keys for the pin does nothing and the screen times out and goes back to the time.

What is the expected behaviour?

Swipe up and then enter pin to unlock.

How to reproduce

Had it plugged in all night and it was showing this behaviour when it tried to unlock in the morning

Which version did you encounter the bug in?

• I compiled it myself. If you compiled the application from source please provide the git revision via e.g. by running git log -1 --pretty=oneline and pasting the output below.

• I used a precompiled Debian package. Please paste the output of dpkg -s <package name> below.

• I used a prebuilt flatpak. Please paste the output of flatpak info <application-id> below.

• I used something else (please elaborate).

  Application version (output of `dpkg -l | grep <application name>`):
  Kernel version (output of `uname -a`):

purism@pureos:~$ uname -a Linux pureos 5.3.0-librem5-gaca00a721 #1 SMP PREEMPT Mon Nov 25 15:06:13 PST 2019 aarch64 GNU/Linux

ii phosh 0.1.5~924.gbpa83326 arm64 Pure Wayland shell for mobile devices

What hardware are you running on?

• amd64 qemu image
• Librem5 devkit (please list what build number you are running)
• other (please elaborte)

Birch

Relevant logfiles

Please provide relevant logs. Since the relevant log files can vary depending on the application, here are some tips for gathering helpful logs:

• If you compiled the application yourself, the build log would be helpful.
• If you used a prebuilt debian package, you can provide the logs on an app with journalctl -b 0 | grep "<application-name>".

evtest shows that the touchscreen is getting events

Nov 27 01:18:55 pureos phosh[576]: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown : The name org.a11y.Bus was not provided by any .service files Nov 27 01:18:57 pureos phoc[506]: FIXME: allowing every client to bind as phosh Nov 27 01:18:58 pureos phosh[506]: syntax error: line 5 of stdin Nov 27 01:18:58 pureos phosh[506]: Errors encountered in stdin; not compiled.