Pr 9039 (#9187)

* MM-11065: Allow to search and get archived channels from the API

* Fixing more tests

* Add some unit tests

* Add includeDeleted parameter to session permissions check function

* More test fixing

* Adding archive channels list in channels search

* Add restriction for archived channel edition

* Reverting permissions checks modification

* Changed the query parameter to include_deleted

* Enable search archive channels as true by default

* Adding tests for verify search on deleted channels

* Allowing to override archive channels during the imports

* Fixed test

* Search in archive channels from the API must be explicitly requested

* Removing includeDeleted parameter from GetChannelByName and GetChannelByNameForTeam

* Back to ViewArchivedChannels config

* Fixing tests

* Reverting GetChannelByName parameter

* Add include deleted parameter on GetChannel functions in plugins api

* Fixing tests

plugin/example_help_test.go

@@ -30,7 +30,7 @@ func (p *HelpPlugin) OnConfigurationChange() error {
 		return nil
 	}
 
-	channel, err := p.API.GetChannelByName(p.ChannelName, team.Id)
+	channel, err := p.API.GetChannelByName(p.ChannelName, team.Id, false)
 	if err != nil {
 		p.API.LogError("failed to find channel", "channel_name", p.ChannelName)
 		return nil