[MM-46692] Channel group member count (#21270)

* tools updates

* Revert "tools updates"

This reverts commit 6293297b55803c5a263e200ebd80192899666ae9.

* adding channel member count to groups request

* fixing models

* adding a new test

* removing unused var

Co-authored-by: Benjamin Cooke <benjamincooke@Benjamins-MacBook-Pro.local>
Co-authored-by: Benjamin Cooke <benjamincooke@Benjamins-MBP.ht.home>
Co-authored-by: Benjamin Cooke <benjamincooke@Benjamins-MBP.fritz.box>
Co-authored-by: Benjamin Cooke <benjamincooke@Benjamins-MacBook-Pro.fritz.box>
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

model/client4.go

@@ -5515,7 +5515,7 @@ func (c *Client4) GetGroupsAssociatedToChannelsByTeam(teamId string, opts GroupS
 // GetGroups retrieves Mattermost Groups
 func (c *Client4) GetGroups(opts GroupSearchOpts) ([]*Group, *Response, error) {
 	path := fmt.Sprintf(
-		"%s?include_member_count=%v&not_associated_to_team=%v&not_associated_to_channel=%v&filter_allow_reference=%v&q=%v&filter_parent_team_permitted=%v&group_source=%v",
+		"%s?include_member_count=%v&not_associated_to_team=%v&not_associated_to_channel=%v&filter_allow_reference=%v&q=%v&filter_parent_team_permitted=%v&group_source=%v&include_channel_member_count=%v&include_timezones=%v",
 		c.groupsRoute(),
 		opts.IncludeMemberCount,
 		opts.NotAssociatedToTeam,
@@ -5524,6 +5524,8 @@ func (c *Client4) GetGroups(opts GroupSearchOpts) ([]*Group, *Response, error) {
 		opts.Q,
 		opts.FilterParentTeamPermitted,
 		opts.Source,
+		opts.IncludeChannelMemberCount,
+		opts.IncludeTimezones,
 	)
 	if opts.Since > 0 {
 		path = fmt.Sprintf("%s&since=%v", path, opts.Since)