[2.3.0] Checkmk Werk 16280 created: ical imports: valid iCalendar files not being accepted on import

Title: ical imports: valid iCalendar files not being accepted on import Class: fix Compatible: compat Component: wato Date: 1700150397 Edition: cre Level: 1 Version: 2.3.0b1 iCalendar files with new lines at the end file were failing to import. This werk addresses the issue by allowing iCalendar files that endwith a newline character or not.