This commit adds a missing space to the `@return` array of `WP_REST_Post_Format_Search_Handler::prepare_item()`. Props audrasjb, jigar-bhanushali, rollybueno. See #63166. Fixes #63218. Built from https://develop.svn.wordpress.org/trunk@61087 git-svn-id: http://core.svn.wordpress.org/trunk@60423 1a063a9b-81f0-0310-95a4-ce76da25c4cd