V3.9.8 Quality of life additions and bug fixes

@mitchplze

Version 3.9.8 : 12/10/25 View only mode + multi select for desktop

Added View Only Mode in Settings Disables all editing while keeping pan and zoom
- Click or tap any canvas item five times to inspect its details while in View Only Mode
Upgraded and fixed the Audit log. Moved it to the stored JSON. Audit log now transfers with the save!
- Added smart migration to merge old localStorage audit with new JSON storage
**Added new core shapes to both versions.
New desktop mutli entity select option added. #21
- Hold shift and click+drag on empty canvas to select multiple items at once
- Selection box colors can be customized in Settings

Special thanks to @mitchplze for testing and reporting on some of these fixes
Bug Fixes
- Fixed duplicate buttons appearing in saved files after multiple saves
- Fixed toolbars staying in desktop layout when resizing window to mobile size
- Fixed duplicate import button in Settings
- Removed unused code to reduce file size
- Zone line style (solid, dashed, dotted) can now be changed after creation. #20
Networkening Edition Fixes:
- Dropdown now shows "Custom Icon" when a web icon is selected. #19
- Switching to any core shape automatically clears the web icon #19
- Web icons keep their original colors until you change them #19
- Fixed web icon colors persisting when selecting a new icon. New icons now display their natural colors instead of inheriting previous custom colors. #19
- Fixed selfh.st icon search to only show icons that have SVG versions available. (for editability) #19