[Bug]: Web Apps problems on Windows, getting added/deleted from Windows and Floorp list

[Erynsen]

Pre-Submission Checklist

• [X] I have checked the existing/closed issues to ensure this issue has not already been reported.
• [X] I am using the latest supported version of the browser.
• [X] I have tried disabling all browser extensions/add-ons to rule out interference from these.
• [X] I have tried clearing the browser cache and cookies.
• [ ] I have checked with a new profile and the issue still occurs.
• [X] I have provided detailed step-by-step instructions on how to reproduce the issue.
• [X] I have included relevant screenshots or console outputs.
• [ ] I have checked that this problem is not occurring in the latest version of Firefox ESR.
• [X] This issue is specific to this browser and does not occur in other browsers.

Bug Summary

Whenever adding or deleting a Web App, they don't get added nor deleted from my Windows App list from startup menu. While testing, main page site such as Youtube got added. Other sub-part of website don't get added. Deleted, it still appears on my Windows list. And while trying and testing out to add and delete from floorp list, suddenly, the list don't show added app anymore in floorp while they are added to Windows.

Reproduction Steps

Add and delete Web Apps, verify if they are on Windows App list and Floorp Web App list.

Expected Behavior

Expect to Web App to be added and deleted from Windows and Floorp when adding/deleting app

Actual Behavior

Adding a sub page to Floorp as Web App don't add it as an app on Windows. Deleting already added apps on Windows from Floorp don't delete them from Windows. Then while testing, suddenly, Web App don't get added to Floorp, but get added (when main page) on Windows app list.

Screenshots

Browser Version

11.15.0 (64 bits)

Operating System

Windows 11 Pro

Additional Context

Text in Pics: Deleted Added, not in Floorp New App