Fix Placeholder component padding when body text font size is changed (#58323)

* added font size to component wrapper so it's used by the padding value

* update changelog

Author: MaggieCabrera

packages/components/CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Bug Fix
 
+-   `Placeholder`: Fix Placeholder component padding when body text font size is changed ([#58323](https://github.com/WordPress/gutenberg/pull/58323)).
 -   `Placeholder`: Fix Global Styles typography settings bleeding into placeholder component ([#58303](https://github.com/WordPress/gutenberg/pull/58303)).
 -   `PaletteEdit`: Fix palette item accessibility in details view ([#58214](https://github.com/WordPress/gutenberg/pull/58214)).
 

packages/components/src/placeholder/style.scss

@@ -1,5 +1,6 @@
 // This needs specificity to override individual block styles.
 .components-placeholder.components-placeholder {
+	font-size: $default-font-size;
 	box-sizing: border-box;
 	position: relative;
 	padding: 1em;