Add anchors in `definition` shortcode (#1802)

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

changelogs/internal/newsfragments/1802.clarification

@@ -0,0 +1 @@
+Add anchors in `definition` shortcode.

layouts/shortcodes/definition.html

@@ -26,7 +26,9 @@
 {{ $definition = partial "json-schema/resolve-refs" (dict "schema" $definition "path" $path) }}
 {{ $definition = partial "json-schema/resolve-allof" $definition }}
 
-<section class="rendered-data definition" id="definition-{{ anchorize $definition.title }}">
+{{ $anchor_base := printf "definition-%s" (anchorize $definition.title) }}
+
+<section class="rendered-data definition" id="{{ $anchor_base }}">
 
 <details {{ if not $compact }}open{{ end }}>
 <summary>
@@ -46,7 +48,11 @@
 {{ $definition.description | markdownify }}
 
 
-{{ $additional_types := partial "json-schema/resolve-additional-types" (dict "schema" $definition "name" (printf "\"%s\"" $path)) }}
+{{ $additional_types := partial "json-schema/resolve-additional-types" (dict
+    "schema" $definition
+    "anchor_base" $anchor_base
+    "name" (printf "\"%s\"" $path))
+}}
 
 {{ range $additional_types }}
     {{ partial "openapi/render-object-table" . }}