Rotate landscape usage is (nearly) unusable

Reproduction

1. Rotate
2. Open Usage

librem-5-birch-rotate-landscape-usage-2020-02-01

purism@l5b:~$ uname -a
Linux l5b 5.3.0-librem5-h1 #1 SMP PREEMPT Sat Jan 25 09:55:23 CET 2020 aarch64 GNU/Linux
purism@l5b:~$ dpkg -s phosh | grep Version
Version: 0.1.7
purism@l5b:~$ dpkg -s phoc | grep Version
Version: 0.1.5pureos1
purism@l5b:~$ dpkg -s gnome-usage | grep Version
Version: 3.30.0+1+git3b32647-1pureos0
purism@l5b:~$ uptime
 16:48:11 up 50 min,  2 users,  load average: 1.77, 1.29, 0.80
purism@l5b:~$ date
Sat 01 Feb 2020 04:48:13 PM PST
purism@l5b:~$ 

Related design ticket: design#21