Restrict playbook creation to team (or system) administrators

Description

As a basic form of permission management, limit the ability to create playbooks to team and system administrators.

This requires UX to distinguish the experience between admins and team members.

QA Test Steps

None

Mana

None

Assignee

Unassigned

QA Assignee

None

Reporter

Jesse Hallam

Epic Link

None

Fix versions

Mattermost Team

Workflows

Sprint

None

QA Testing Areas

None

GitHub Issue

None

Components

Configure