Prepare release of v2.0.23 

Fixed CSS glitch in datepicker control in compact mode 

Fixed CSS glitch in row, fixed broken controls in dialog of previous … …pre-release

Fixed 821, added support for 831, updated dependencies, minor CSS fix… …es in group sections and compact view

Added squared icon to comply with macOS Tahoe requirements, updated d… …ependencies, fixed minor CSS glitch in row regarding vertical alignment of content, fixed empty line issue while archiving into an empty done file

Bumped version number, updated dependencies that fix security issue w… …ith Electron and minor CSS glitches, added reference to Changelog in Flathub app data

Changed application name for AppX build due to Microsoft restrictions 

Merge branch 'develop' 

Fixed bugs around how the app is started and quit, updated all depend… …encies to latest, adjusted the red color hue to make it more distinguishable to orange

Added test cases for Tray, cleaned up filtering, refined frontend, ad… …ded icons for creation and completion dates in todo list, fixed bug