groups types

[komik966]

Related issue:
mattermost/mattermost#16734

1. mattermost-redux/src/actions/groups.ts

   Line 196 in 7cd02e3

   export function getAllGroupsAssociatedToTeam(teamID: string, filterAllowReference: false, includeMemberCount: false): ActionFunc {

   
   filterAllowReference and includeMemberCount should be of type boolean?

2. mattermost-redux/src/types/groups.ts

   Line 11 in 7cd02e3

   scheme_admin: boolean;

   
   scheme_admin prop should be optional?
   Here:
   https://github.com/mattermost/mattermost-webapp/blob/23343c2f1614d61d8f326d60d3730f97b89c94b6/components/add_groups_to_team_modal/add_groups_to_team_modal.jsx#L132
   it is omitted