Improve extensions build. (#12461)

* enable ee build on pr/master

* step1: of including group sync

* disable commit pinning for now

* fixes broken build

* enable team to ldap group sync

* avoid returning error for missing external handler

* services: allow routes to be added before http server start

* services: allows services to add their own migrations

* moves db migrations to ee code base

* build using master branch in ee

* disable enterprise build in .bra.toml

[skip ci]

* removes team sync extensions

* removes commented line

pkg/services/sqlstore/sqlstore.go

@@ -132,6 +132,13 @@ func (ss *SqlStore) Init() error {
 	migrator := migrator.NewMigrator(x)
 	migrations.AddMigrations(migrator)
 
+	for _, descriptor := range registry.GetServices() {
+		sc, ok := descriptor.Instance.(registry.DatabaseMigrator)
+		if ok {
+			sc.AddMigration(migrator)
+		}
+	}
+
 	if err := migrator.Start(); err != nil {
 		return fmt.Errorf("Migration failed err: %v", err)
 	}