fix(tasks): allow collaborative editor sharing in task lists

frontend/src/features/triage/TasksView.tsx

@@ -1978,6 +1978,7 @@ export const TasksView: React.FC<TasksViewProps> = ({
           teams={safeTeams}
           collaborators={safeCollaborators}
           allowRoleSelection={false}
+          fixedPermission="editor"
           onAddShare={async (targetType, targetId) => {
             await api.addTaskListShare(sharingTaskList.id, {
               targetType,