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### Problem description
<!-- Describe the bug that you fixed/feature request that you
implemented, or link to an existing issue describing it -->
Projects weren't being saved as recent when a new project was saved.
They were only added as recent when re-opening the project
### Implementation description
<!-- Explain what you did to correct the problem -->
I also save projects as recent when saving them (I don't make a
difference between saving existing and new projects)
### Screenshots
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### Additional things
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Adds keyboard shortcuts (currently `n` and `N`) in the diffing plugin
view to jump to the next/prev difference in the list.
IMPORTANT NOTE: Depends on changes made in a library submodule. [This
PR](https://github.com/WerWolv/libwolv/pull/34) must be accepted first.
---------
Co-authored-by: Nik <werwolv98@gmail.com>
…attern selection popup when pattern is already open
This PR does two things. Most importantly, it fixes a segfault that can
be caused by opening a recent file with pattern sync enabled.
Secondly, it makes it so that the pattern selection popup does not
appear if you already have text in the pattern editor for a given
provider (due to CLI args, a project file, pattern sync, etc.). If you
open a file normally, that text field is empty and the popup will appear
so you can select a pre-made pattern like usual.
