allow moderators to post in forum

lms/djangoapps/teams/static/teams/js/spec/views/team_profile_spec.js

@@ -211,6 +211,16 @@ define([
                 clickLeaveTeam(requests, view, {cancel: false});
                 expect(view.$('.new-post-btn.is-hidden').length).toEqual(0);
             });
+
+            it('shows New Post button when user is a staff member or admin', function() {
+                var requests = AjaxHelpers.requests(this),
+                    view = createTeamProfileView(
+                        requests, {userInfo: TeamSpecHelpers.createMockUserInfo({staff: true})}
+                    );
+
+                view.render();
+                expect(view.$('.btn-link.new-post-btn.is-hidden').length).toEqual(0);
+            });
         });
 
         describe('TeamDetailsView', function() {

lms/djangoapps/teams/static/teams/js/views/team_profile.js

@@ -70,7 +70,7 @@
                     );
                     this.discussionView = new TeamDiscussionView({
                         el: this.$('.discussion-module'),
-                        readOnly: !isMember
+                        readOnly: (!isMember && !isAdminOrStaff)
                     });
                     this.discussionView.render();