Post template: don't fetch taxonomies if not needed (#58245)

packages/block-library/src/post-template/edit.js

@@ -108,11 +108,6 @@ export default function PostTemplateEdit( {
 		( select ) => {
 			const { getEntityRecords, getTaxonomies } = select( coreStore );
 			const { getBlocks } = select( blockEditorStore );
-			const taxonomies = getTaxonomies( {
-				type: postType,
-				per_page: -1,
-				context: 'view',
-			} );
 			const templateCategory =
 				inherit &&
 				templateSlug?.startsWith( 'category-' ) &&
@@ -129,6 +124,11 @@ export default function PostTemplateEdit( {
 			};
 			// There is no need to build the taxQuery if we inherit.
 			if ( taxQuery && ! inherit ) {
+				const taxonomies = getTaxonomies( {
+					type: postType,
+					per_page: -1,
+					context: 'view',
+				} );
 				// We have to build the tax query for the REST API and use as
 				// keys the taxonomies `rest_base` with the `term ids` as values.
 				const builtTaxQuery = Object.entries( taxQuery ).reduce(