fix(imports): Correctly convert entity type name to snake case

Approving an Edition Group import failed previously:
> error: select "data_id" from "bookbrainz"."editiongroup_import_header" where "import_id" = $1 - relation "bookbrainz.editiongroup_import_header" does not exist

src/func/imports/delete-import.ts

@@ -27,8 +27,7 @@ export async function deleteImport(
 	// Get the type of the import
 	const [typeObj] = await transacting.select('type')
 		.from('bookbrainz.import').where('id', importId);
-	const {type} = typeObj;
-	const importType = type.toLowerCase();
+	const {type: importType} = typeObj;
 
 	// Get the dataId of the import
 	const [dataIdObj] =