Channel index fix (#22947)

* WIP

* Fetched ES index for type checking

* WIP

* Moved migration key to model

* CI

* CI

* Fixed existing tests

* Updated einterface mocks

* CI

* WIP

* Reverted test makefile changes

* Fixed error level

* CI

* Not attempting to launch job if not enterprise ready

* CI

* Fixing job trigger condition

* CI

* Updated eemocks

* CI

server/channels/app/enterprise.go

@@ -50,6 +50,12 @@ func RegisterJobsElasticsearchIndexerInterface(f func(*Server) ejobs.IndexerJobI
 	jobsElasticsearchIndexerInterface = f
 }
 
+var jobsElasticsearchFixChannelIndexInterface func(*Server) ejobs.ElasticsearchFixChannelIndexInterface
+
+func RegisterJobsElasticsearchFixChannelIndexInterface(f func(*Server) ejobs.ElasticsearchFixChannelIndexInterface) {
+	jobsElasticsearchFixChannelIndexInterface = f
+}
+
 var jobsLdapSyncInterface func(*App) ejobs.LdapSyncInterface
 
 func RegisterJobsLdapSyncInterface(f func(*App) ejobs.LdapSyncInterface) {