MM-14416: Adds new fields to Channels and Teams for use by LDAP groups removals. (#10450)

* MM-14416: Updates tests.

* MM-14416: Adds new fields to models and patches.

* MM-14416: Adds upgrade operations.

* MM-14416: Removes the 'is' from the new field names.

* MM-14416: Some fmting and removes API test change for now.

* MM-14416: Adds team patch test.

* MM-14416: Using sql.NullBool.

* MM-14416: Using sql.NullBool.

store/sqlstore/upgrade.go

@@ -634,6 +634,9 @@ func UpgradeDatabaseToVersion510(sqlStore SqlStore) {
 		}
 	}
 
+	sqlStore.CreateColumnIfNotExistsNoDefault("Channels", "GroupConstrained", "tinyint(1)", "boolean")
+	sqlStore.CreateColumnIfNotExistsNoDefault("Teams", "GroupConstrained", "tinyint(1)", "boolean")
+
 	// 	saveSchemaVersion(sqlStore, VERSION_5_10_0)
 	// }
 }