View images from multiple folders

[ColossusSteppes]

Checklist

• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one feature request.
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Feature description

The ability to view images from multiple selected folders. For example, if the user has ten folders, they could select Folders 1, 2, and 4. They could then click "Open" in the menu, which would view all images contained in Folders 1, 2, and 4.

Why do you want this feature?

It can be useful to view images from multiple locations while still keeping their actual location separate.

Additional information

No response