Updates Schemas watch logic.

Updated logic used to decide when and what schema events are sent
during a watch.

pkg/schema/factory.go

@@ -1,6 +1,8 @@
 package schema
 
+//go:generate mockgen --build_flags=--mod=mod -package fake -destination fake/factory.go "github.com/rancher/steve/pkg/schema" Factory
 import (
+	"context"
 	"fmt"
 	"net/http"
 	"time"
@@ -9,9 +11,18 @@ import (
 	"github.com/rancher/apiserver/pkg/types"
 	"github.com/rancher/steve/pkg/accesscontrol"
 	"github.com/rancher/steve/pkg/attributes"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apiserver/pkg/authentication/user"
 )
 
+type Factory interface {
+	Schemas(user user.Info) (*types.APISchemas, error)
+	ByGVR(gvr schema.GroupVersionResource) string
+	ByGVK(gvr schema.GroupVersionKind) string
+	OnChange(ctx context.Context, cb func())
+	AddTemplate(template ...Template)
+}
+
 func newSchemas() (*types.APISchemas, error) {
 	apiSchemas := types.EmptyAPISchemas()
 	if err := apiSchemas.AddSchemas(builtin.Schemas); err != nil {