Overstock app for iOS: Share Sheet: Facebook Messenger sharing UI is discolored, can't see menu options

iOS 13.4
Overstock app for iOS (version 2020.3.2)
Date: 04/07/20

Description: 

Problem with the Overstock app, the iOS share sheet, and Facebook Messenger sharing.

With the iOS device set to either the light or dark modes, the Facebook Messenger sharing UI is distorted.

Take a look at these screenshots:

This is with the device set to the light mode....

This is with the device set to the dark mode.

Steps to Reproduce:

1. (With the device set to either light or dark mode) Download and launch the Overstock app for iOS
2. Select any product listed
3. Select the share option
4. From the share sheet, select the Facebook Messenger option

Result: The Overstock app for iOS displays the Facebook Messenger sharing UI menu incorrectly - the "Done" and "Send" options aren't visible

Expected: The Facebook Messenger sharing UI should be displayed properly by the Overstock app for iOS