Version 6.27.2

Changelog for version 6.27.2

Fixes

Title	Description	Ticket
Fix issues in MarkerManager::selectMarkerByType		XCD-927
Fixed issues	Fixed TextLengthCache not taking non-textNode-children into account in certain constellations Fixed issue in ValidationManager which sometimes caused an stackoverflow error	XCD-919
Fix reviewbar not showing when a bubble is outside of the initial document part		XCD-930