Looks fine in light mode, text unreadable in dark mode.

Describe the bug
When exporting annotation with Flashcard, the JSON line is undefined

    },
    undefined,
    {

To Reproduce
Steps to reproduce the behavior:

1. Annotate a line of text
2. Add a Flashcard with data on back and front
3. Export annotation as JSON
4. Search "undefined" you should get to that badly exported entry

Expected behavior

Fla

Problem
Right now, there are four sort strategies: title (alphabetical), date created, date modified, and favorites. I think favorites should not be in the list and should always be pinned to top.

Solution
Make only three sort strategies (alphabetical, modified, created) and always have favorites at the top of each section.

Notes
Will consider other options if there are othe

Is your feature request related to a problem? Please describe.
I use xournalpp without the sidebar and recently spent a long time trying to figure out how, or if it was possible, to reorder pages. Looking through the wiki and web site and I could not find any mention but some issues here said "right click on the page and select move up" but right clicking on a page's blank area did nothing fo