MM-20644: Add users to teams as a SchemeAdmin based on a new configuration field on GroupTeams and GroupChannels records. (#13361)

* MM-20644: Add users to teams as a SchemeAdmin based on a new configuration field on GroupTeams and GroupChannels records.

* MM-20644: Adds SchemeAdmin to mapping of the GroupSyncable struct fields.

* MM-2064: Adds test to ensure SchemeAdmin field value is mapped.

* MM-20644: Adds missing index creation for fresh DBs.

* MM-20644: Duplicates UpdateMembersRole across Team and Channel stores. Adds tests.

* MM-20644: Fixes some old method name references.

* MM-20644: Moves variable declaration; removes Println statement.

* MM-20644: Use a SQL query instead of two to update Team and Channel members.

* MM-20644: Fixes tests; updates query.

* MM-20644: Fix permission check for patching a group syncable.

* MM-20644: Fixes test for change of permissions verification in group patch API request.

* MM-20644: Fix for ORM select vs insert.

* MM-20644: Linting fixes.

* MM-20644: Fixes some tests.

* MM-20644: Skips changing the role of guests.

* MM-20644: Added syncableID filtering

store/sqlstore/upgrade.go

@@ -754,6 +754,12 @@ func upgradeDatabaseToVersion520(sqlStore SqlStore) {
 
 	sqlStore.CreateColumnIfNotExistsNoDefault("Bots", "LastIconUpdate", "bigint", "bigint")
 
+	sqlStore.CreateColumnIfNotExists("GroupTeams", "SchemeAdmin", "boolean", "boolean", "0")
+	sqlStore.CreateIndexIfNotExists("idx_groupteams_schemeadmin", "GroupTeams", "SchemeAdmin")
+
+	sqlStore.CreateColumnIfNotExists("GroupChannels", "SchemeAdmin", "boolean", "boolean", "0")
+	sqlStore.CreateIndexIfNotExists("idx_groupchannels_schemeadmin", "GroupChannels", "SchemeAdmin")
+
 	// 	saveSchemaVersion(sqlStore, VERSION_5_20_0)
 	// }
 }