* 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-21157: Triggers role sync when a syncable is linked, unlinked, or updated.
* MM-20644: Use a SQL query instead of two to update Team and Channel members.
* MM-20644: Fixes tests; updates query.
* MM-21157: Removes second invocation of function because of refactor that performs it all in a single query.
* MM-21157: Switches a few queries to Squirrel.
* MM-21157: SQL-formats some strings.
* MM-21157: Select with list.
* MM-21157: Converts some more sql to squirrel.
* MM-21157: Fix incorrect conflict resolutions.
* MM-21157: Fix incorrect conflict resolutions.
* MM-21157: Adds missing mocks.
* MM-21157: Clears cache upon syncing roles.
Co-authored-by: mattermod <mattermod@users.noreply.github.com>