MPA: move product hooks out of plugins environment (#21772)

* product: add new hooks manager for porducts

* move product hooks out of plugins environment

* add hooks for plugin

app/server.go

@@ -161,6 +161,8 @@ type Server struct {
 	tracer *tracing.Tracer
 
 	products map[string]Product
+
+	hooksManager *product.HooksManager
 }
 
 func (s *Server) Store() store.Store {
@@ -255,6 +257,8 @@ func NewServer(options ...Option) (*Server, error) {
 		return nil, errors.Wrapf(err, "unable to create teams service")
 	}
 
+	s.hooksManager = product.NewHooksManager(s.GetMetrics())
+
 	// ensure app implements `product.UserService`
 	var _ product.UserService = (*App)(nil)