Bug Fixes

• Playbooks: message to assignee placeholders not working for some steps
• ID column in Search tab too narrow and can't be resized (ID #00163384)
• When mentioning a (deleted) user in a case wall a strange error message displays. In addition, user is not getting notifications (ID #00164378)
• Playbook block incorrectly showing as terminated if it contains a Close Case action. (ID #11927)