ℹ Computer information

• PowerToys version: v0.23.0
• PowerToy Utility: FancyZones
• Running PowerToys as Admin: Yes, always
• Windows build number: 20H2 build 19042.508

📝 Provide detailed reproduction steps (if any)

This might be a bit difficult since you need to have access to a Citrix workspace to reproduce.

1. Assign a single zone to match the whole screen, disable the blank space between the zones:
   
2. Open a remote session with any desktop in Citrix Workspace.
3. Drag this window to the zone created in step 1.

✔️ Expected result

Something like this (I resized manually):

❌ Actual result

The window does not fill the whole screen. Look at both right and left sides of it.