Fixed Media Text Block Issue : When crop image to fill is enabled, th…

…e image in nested media & text blocks does not show (WordPress#62182)

* Fixed Media Text Block Issue

* Implemented the suggestions

Co-authored-by: narenin <narenin@git.wordpress.org>
Co-authored-by: t-hamano <wildworks@git.wordpress.org>
Co-authored-by: carolinan <poena@git.wordpress.org>

packages/block-library/src/media-text/style.scss

@@ -76,18 +76,18 @@
 	vertical-align: middle;
 }
 
-.wp-block-media-text.is-image-fill .wp-block-media-text__media {
+.wp-block-media-text.is-image-fill > .wp-block-media-text__media {
 	height: 100%;
 	min-height: 250px;
 	background-size: cover;
 }
 
-.wp-block-media-text.is-image-fill .wp-block-media-text__media > a {
+.wp-block-media-text.is-image-fill > .wp-block-media-text__media > a {
 	display: block;
 	height: 100%;
 }
 
-.wp-block-media-text.is-image-fill .wp-block-media-text__media img {
+.wp-block-media-text.is-image-fill > .wp-block-media-text__media img {
 	// The image is visually hidden but accessible to assistive technologies.
 	position: absolute;
 	width: 1px;