* Some static typing and use notification to check if the theme has changed in swatches
* Use Vector2i for scrolling, hide scrollbars in the node properties
* More static typing improvements
* More static typing & docstring improvements, remove some methods from Palettes.gd
* [WIP] Go back to json for palettes instead of tres
* Revert back to using dictionaries for palette colors instead of array
Reverts part of the previous commit
* Read width & height from files, don't store the name
* Fix palette renaming
* Copy non-json palettes into json files
* Fix palette duplication
* Add a new _fill_imported_palette_with_colors() to avoid duplicate code in import file methods
* Fix palette file importing when not initialising
* Export palettes as images
* Replace "tres" with "json" filter in the open sprite dialog
* When exporting a palette as an image, automatically set the file name to the palette name
* Replace default palette files with json
* Remove the Global.palette_panel variable, use signals instead.
* Static typing in signals
* Fix warning in Palettes.gd
* Fix formatting
* Add missing comments to the palette files
* Update Palettes.gd
* A few more static typing improvements
* Replace old palette system with a new one
* Replace default json palettes with new resource versions
* Add missing translation strings
* Fix Erevoid's issues 2, 3 and 4
* Rewrite palette grid to improve performance
Add middle click scrolling
* Fix index conversion functions
* Fix palettes editing by copying them to XDG user write path
* Add Windows specific fixes
* Add import support for old json palette format
* Add create/edit palette settings check.
Hide add/delete color buttons when no palette is displayed.
