MM-19337 Enable users to view archived channels (#12995)

* First pass at searching archived channels

* Create endpoint for archived channels

* Update test for GetPublicChannelsForTeam

* Fix unit test for archived channels

* Rename includeDeleted to onlyDeleted

* Remove new /archived endpoint in favour of existing /deleted endpoint

* Fix broken test

* Remove manage team permission from /deleted endpoint

* Fix deletedChannels test

* Test for searching archived channels

* Only return private deleted channels user was a member of

* SearchArchivedChannels also searches private channels (user is a member of)

* Remove for loop to simplify append

* Remove userId from Client4 searcArchivedChannels

store/timer_layer.go

@@ -904,10 +904,10 @@ func (s *TimerLayerChannelStore) GetChannelsByScheme(schemeId string, offset int
 	return resultVar0, resultVar1
 }
 
-func (s *TimerLayerChannelStore) GetDeleted(team_id string, offset int, limit int) (*model.ChannelList, *model.AppError) {
+func (s *TimerLayerChannelStore) GetDeleted(team_id string, offset int, limit int, userId string) (*model.ChannelList, *model.AppError) {
 	start := timemodule.Now()
 
-	resultVar0, resultVar1 := s.ChannelStore.GetDeleted(team_id, offset, limit)
+	resultVar0, resultVar1 := s.ChannelStore.GetDeleted(team_id, offset, limit, userId)
 
 	elapsed := float64(timemodule.Since(start)) / float64(timemodule.Second)
 	if s.Root.Metrics != nil {