Downscale site hub icon from 64px to 32px in reader view

Removed the inline scale transform and updated all CSS sizing from 64px to 32px for the site hub icon components.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: pfefferle

build/social-web/index.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('react', 'react-dom', 'react-jsx-runtime', 'wp-commands', 'wp-components', 'wp-compose', 'wp-core-data', 'wp-data', 'wp-data-controls', 'wp-date', 'wp-dom', 'wp-element', 'wp-html-entities', 'wp-i18n', 'wp-keyboard-shortcuts', 'wp-keycodes', 'wp-notices', 'wp-preferences', 'wp-primitives', 'wp-private-apis', 'wp-url', 'wp-warning'), 'version' => '1896c8458ee5edc6becb');
+<?php return array('dependencies' => array('react', 'react-dom', 'react-jsx-runtime', 'wp-commands', 'wp-components', 'wp-compose', 'wp-core-data', 'wp-data', 'wp-data-controls', 'wp-date', 'wp-dom', 'wp-element', 'wp-html-entities', 'wp-i18n', 'wp-keyboard-shortcuts', 'wp-keycodes', 'wp-notices', 'wp-preferences', 'wp-primitives', 'wp-private-apis', 'wp-url', 'wp-warning'), 'version' => 'df4b6f78857cbeb6227d');