MM-14897: Changes to be able to add and remove groups from channels. (#10794)

* MM-15162: Changes for LDAP groups removals phase.

* MM-14897: Changes to be able to add and remove groups from channels.

* Update model/client4.go

* MM-14897: PR-requested change to string interpolation.

cmd/mattermost/commands/group.go

@@ -128,7 +128,7 @@ func channelGroupEnableCmdF(command *cobra.Command, args []string) error {
 		return errors.New("Unable to find channel '" + args[0] + "'")
 	}
 
-	groups, appErr := a.GetGroupsByChannel(channel.Id, 0, 9999)
+	groups, _, appErr := a.GetGroupsByChannel(channel.Id, model.GroupSearchOpts{})
 	if appErr != nil {
 		return appErr
 	}
@@ -198,7 +198,7 @@ func channelGroupListCmdF(command *cobra.Command, args []string) error {
 		return errors.New("Unable to find channel '" + args[0] + "'")
 	}
 
-	groups, appErr := a.GetGroupsByChannel(channel.Id, 0, 9999)
+	groups, _, appErr := a.GetGroupsByChannel(channel.Id, model.GroupSearchOpts{})
 	if appErr != nil {
 		return appErr
 	}