Bundled Themes: Prevent pre from overflowing container.

Update CSS to set `overflow-x: auto` on `pre` elements in Twenty Twenty Two and Twenty Twenty Five. 

Props pateljaymin, jaiminp, nikunj8866, sabernhardt, rollybueno, joedolson.
Fixes #63875.

git-svn-id: https://develop.svn.wordpress.org/trunk@60921 602fd350-edb4-49c9-b593-d223f7449a82

Author: joedolson

src/wp-content/themes/twentytwentyfive/style.css

@@ -59,3 +59,11 @@ h1, h2, h3, h4, h5, h6, blockquote, caption, figcaption, p {
 .more-link {
 	display: block;
 }
+
+/*
+ * Prevents unnecessary scrollbars while handling long lines of preformatted text.
+ * https://core.trac.wordpress.org/ticket/63875
+ */
+:where(pre) {
+	overflow-x: auto;
+}

src/wp-content/themes/twentytwentytwo/style.css

@@ -159,3 +159,12 @@ body > .is-root-container > .wp-block-template-part > .wp-block-cover,
 .wp-block-post-comments ol.commentlist li.comment:not(:last-child) {
 	margin-bottom: 1rem;
 }
+
+/*
+ * Prevents unnecessary scrollbars while handling long lines of preformatted text.
+ * https://core.trac.wordpress.org/ticket/63875
+ */
+
+:where(pre) {
+	overflow-x: auto;
+}