Fix KListWithOverflow restored items overlapping and wrap-flicker#1246

nucleogenesis wants to merge 2 commits intolearningequality:developlearningequality/kolibri-design-system:developfrom

nucleogenesis:studio/5258-rte--dynamic-width/klistwithoverflow-wrap-fixnucleogenesis/kolibri-design-system-1:studio/5258-rte--dynamic-width/klistwithoverflow-wrap-fixCopy head branch name to clipboard