Unable to load a saved queue file

[jpyper]

FastFlix Version:
5.6.0
Built from Arch User Repository
Using: yay -aS aur/fastflix

Operating System:
Manjaro Linux 23.1.3 XFCE Edition (Stable Branch)

Describe the bug
Unable to load a saved queue file.

To Reproduce
Add to queue at least 1 video file to be processed.
Save queue to file for later processing.
Clear out the queue, or restart the program.
On the Encoding Queue tab, click Load Queue button.
Locate where you saved the queue file.
Blank directory. Can't change file type from FastFlix Queue File to All Files either.
Looking at the directory where the queue file was saved, either in a GUI file explorer or from a terminal, the file exists and contains info for the queue session.

Screenshots
FastFlix About Dialog:

Video in Queue:

Saving Queue to Folder (with a space in it):
I tried saving to a folder without spaces, with same results.

Queue Saved Dialog:
I noticed there is no space between "Queue save to/home/blah/blah".
Also, there is no extension on the saved file name.
It should probably be something like "Queue File Name.ffq" or something along those lines.
Is this an issue?

Queued Video Removed from Queue (or restart program):

Load Queue from Saved File:
Nothing shows. Saved files are not given an extension.
Saved files are seen as Plain Text File by most file browsers.
You can't change file type from "FastFlix Queue File" to "All Files" either.

Terminal Listing of Queue and HEAD of Queue File:
The file certainly exists. It also has everything needed to put everything back to where it was.
The GUI just doesn't see it.

Logs (If applicable)
No FastFlix logs info pertaining to this bug.
No syslog info pertaining to this bug.

[cdgriffith]

Apologizes for delay, thank you for raising this issue with the clear details. There must be some Linux specific file handling operations with PyQT that change / got messed up with the update from 5 to 6. I will look into that!