System Monitor File Systems capacity GUI ProgressBar partly off-screen (multiple displays)

[Ziggy Smith]

Very minor bug - see attached screenshot.

To Reproduce:
1. Open g-s-m in the larger of two displays
2. Navigate to the either the "Processes" or "Resources" tab
3. Move the g-s-m window to a smaller display
4. Navigate to the "File Systems" tab
5. File system capacity GUI ProgressBar should now be partly off-screen (see attached screenshot)

Gnome System Monitor version: 3.38.0-1
Ubuntu release: 20.10

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: gnome-system-monitor 3.38.0-1
ProcVersionSignature: Ubuntu 5.8.0-29.31-generic 5.8.14
Uname: Linux 5.8.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Dec 2 21:12:09 2020
InstallationDate: Installed on 2020-11-20 (12 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-system-monitor
UpgradeStatus: No upgrade log present (probably fresh install)