[7.x] [SIEM] Update Timeline to use the latest euiFlyoutBody style (#59524)#59561

andrew-goldstein merged 1 commit intoelastic:7.xelastic/kibana:7.xfrom

andrew-goldstein:backport/7.x/pr-59524andrew-goldstein/kibana:backport/7.x/pr-59524Copy head branch name to clipboard