The shots page numbers are wrongly displayed on Windows

[SoftVision-CosminMuntean]

[Affected versions]:

• Nightly 58.0a1
• Screenshots 23.0.0

[Affected Platforms]:

• All Windows

[Prerequisites]:

• The "xpinstall.signatures.required" boolean pref is set to "false".
• The "extensions.legacy.enabled" boolean pref is set tot "true".
• Have the Screenshots 23.0.0 dev version installed on a new clean profile.
• The Screenshots Onboarding tour was already visited.
• Have at least one shot saved on the created profile.

[Steps to reproduce]:

1. Open Firefox browser with the profile from prerequisites.
2. Navigate to "My Shots" page (https://screenshots.dev.mozaws.net/shots).
3. Observe the shots page" numbers.

[Expected result]:

• The shots page numbers are correctly displayed on one a single row.

[Actual result]:

• The shots page numbers are displayed on two rows.

[Notes]:

• On Mac Os and Linux, the page numbers are correctly displayed on one row.
• Here is a screen shot with the issue:
  

[SoftVision-CosminMuntean]

I have retested this issue and it seems that the issue is still reproducible if you have more then one shots pages.
The right arrow is wrongly displayed on another row if you have at least 2 shots pages.
Here is a screenshots with the issue:

[SoftVision-CosminMuntean]

I have retested this issue and is no longer reproducible. The shots page numbers are correctly displayed on one a single row. Marking as verified.