fix(authoring): fix resizable authoring
fix(authoring): fix resizable authoring

it was missing css for resize handle

superdesk/superdesk-ntb,ioanpocol/superdesk-ntb,petrjasek/superdesk-ntb,petrjasek/superdesk-ntb,ioanpocol/superdesk-ntb,petrjasek/superdesk-ntb,superdesk/superdesk-ntb,superdesk/superdesk-ntb,ioanpocol/superdesk-ntb,superdesk/superdesk-ntb,petrjasek/superdesk-ntb