Check that we have a v1 gallery block before we send content through …

…the v1 save function

packages/block-library/src/gallery/save.js

@@ -19,7 +19,10 @@ import saveWithoutInnerBlocks from './v1/save';
 import { isGalleryV2Enabled } from './shared';
 
 export default function saveWithInnerBlocks( { attributes } ) {
-	if ( ! isGalleryV2Enabled() ) {
+	if (
+		! isGalleryV2Enabled() &&
+		( attributes?.ids?.length > 0 || attributes?.images?.length > 0 )
+	) {
 		return saveWithoutInnerBlocks( { attributes } );
 	}
 

packages/block-library/src/gallery/shared.js

@@ -39,9 +39,6 @@ export function isGalleryV2Enabled() {
 	}
 
 	const settings = select( blockEditorStore ).getSettings();
-	if ( settings.__unstableGalleryWithImageBlocks ) {
-		return true;
-	}
 
-	return false;
+	return !! settings.__unstableGalleryWithImageBlocks;
 }