Add Page.RenderShortcodes

A layouts/shortcodes/include.html shortcode may look like this:

```html
{{ $p := site.GetPage (.Get 0) }}
{{ $p.RenderShortcodes }}
```

Fixes #7297

1 files changed, 4 insertions, 0 deletions

diff --git a/resources/page/page_nop.go b/resources/page/page_nop.go
index 59765ebf2..735d6eea8 100644
--- a/resources/page/page_nop.go
+++ b/resources/page/page_nop.go
@@ -401,6 +401,10 @@ func (p *nopPage) RawContent() string {
 	return ""
 }
 
+func (p *nopPage) RenderShortcodes(ctx context.Context) (template.HTML, error) {
+	return "", nil
+}
+
 func (p *nopPage) ReadingTime(context.Context) int {
 	return 0
 }