Cloud-Update

New feature:

• Support visibility for tags
• Modernized flat form styles
• Allow to collapse entire cards by clicking the complete header
• Display TOTP secret after clicking the QR code image
• Date-Range-Picker: show this and last two years to pick in quick-select

In hidden work-contract feature (paid clouds only):

• Added: Public holiday management and group assignment
• Added: Summary for public holidays
• Added: Include public holiday times in monthly times
• Added: Link to user-preferences from warning message

Improvement:

• Make setting “rounding days” optional
• Invoice document upload: fix validation for filenames with uppercase character