Library Category rework

• Complete Categories rewrite
• Remember the sidebar state on startup
• Add sidebar expanded setting
• Add sidebar category setting

Category fixes

• Use existing icon for "All" category
• Rework category filtering and add some subcategories by default to all
• Hide Images if there are no images to show Scale images properly
• Add warning message to Engine and Games

Refresh Fixes

• Add confirmation on project and engine actions
• Clean invalid engines and projects on refresh

Refresh Button

• Add refresh button and optimize Engine and Project loading
• Update the about dialog
• Move the Install Engine button

Dark mode changes

Gnome 42 has a global dark theme setting, this change respects that setting while keeping some options alive for DEs that do not have the support.

• Add force dark back so the app can be dark while rest of the system is light
• Remove Dark Theme button
• Do not have engine tab open by default

Further fixes

• Save the manifest to the correct path
• Unselect item on details closed
• Do not have project selected on start
• Close the download manager when you click open directory button
• Fix download URL case

Minor fixes

• Update asset item after asset is finished downloading
• Create copy of duplicate file for safety
• Properly handle failed auth to ghcr

Asset management release

• Add to project functionality
• Add open vault directory on already downloaded assets
• Add create project functionality
• Account for None filter
• Add additional details from download manifest
• Update to stable gnome 42
• Refactor the download manager
• Download respects the target download directory
• Add progress bar to asset loading
• Properly display the initial sorting choice
• Fix login issue
• Add logout button to the menu
• Add target directory selection
• Launch the engine properly from inside the flatpak
• Add donation link
• Load dark mode properly
• Add Actions button
• Open preferences on a correct page if GitHub token is not set up
• Save user details in DB

Dark mode fix

Temporary fix for dark mode, will work properly once Gnome 42 is released

Crash fix

Fix crash when opening properties