Social: Set a maximum width for unified modal (#46400)

* Set a maximum width for unified modal

* changelog

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/20759298870

Upstream-Ref: Automattic/jetpack@97af7da

Author: haqadn

build/editor-jetpack-sidebar.asset.php

@@ -1 +1 @@
-<?php return array('dependencies' => array('jetpack-connection', 'jetpack-script-data', 'react', 'react-jsx-runtime', 'wp-api-fetch', 'wp-blob', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-compose', 'wp-core-data', 'wp-data', 'wp-date', 'wp-deprecated', 'wp-dom-ready', 'wp-editor', 'wp-element', 'wp-hooks', 'wp-html-entities', 'wp-i18n', 'wp-media-utils', 'wp-notices', 'wp-plugins', 'wp-polyfill', 'wp-preferences', 'wp-primitives', 'wp-url'), 'version' => '2d3934cad08c083769b7');
+<?php return array('dependencies' => array('jetpack-connection', 'jetpack-script-data', 'react', 'react-jsx-runtime', 'wp-api-fetch', 'wp-blob', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-compose', 'wp-core-data', 'wp-data', 'wp-date', 'wp-deprecated', 'wp-dom-ready', 'wp-editor', 'wp-element', 'wp-hooks', 'wp-html-entities', 'wp-i18n', 'wp-media-utils', 'wp-notices', 'wp-plugins', 'wp-polyfill', 'wp-preferences', 'wp-primitives', 'wp-url'), 'version' => 'ac56510698a299a957b8');

build/editor-jetpack-sidebar.css

@@ -1 +1 @@
-<?php return array('dependencies' => array('jetpack-connection', 'jetpack-script-data', 'react', 'react-jsx-runtime', 'wp-api-fetch', 'wp-blob', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-compose', 'wp-core-data', 'wp-data', 'wp-date', 'wp-deprecated', 'wp-dom-ready', 'wp-editor', 'wp-element', 'wp-hooks', 'wp-html-entities', 'wp-i18n', 'wp-media-utils', 'wp-notices', 'wp-plugins', 'wp-polyfill', 'wp-preferences', 'wp-primitives', 'wp-url'), 'version' => '06138fd688916f6887b4');
+<?php return array('dependencies' => array('jetpack-connection', 'jetpack-script-data', 'react', 'react-jsx-runtime', 'wp-api-fetch', 'wp-blob', 'wp-block-editor', 'wp-blocks', 'wp-components', 'wp-compose', 'wp-core-data', 'wp-data', 'wp-date', 'wp-deprecated', 'wp-dom-ready', 'wp-editor', 'wp-element', 'wp-hooks', 'wp-html-entities', 'wp-i18n', 'wp-media-utils', 'wp-notices', 'wp-plugins', 'wp-polyfill', 'wp-preferences', 'wp-primitives', 'wp-url'), 'version' => '41553bfd44881000e751');