Update document title buttons radius (#53221)

packages/edit-site/src/components/header-edit-mode/document-actions/style.scss

@@ -1,7 +1,6 @@
 .edit-site-document-actions {
 	display: flex;
 	align-items: center;
-	gap: $grid-unit;
 	height: $button-size;
 	justify-content: space-between;
 	// Flex items will, by default, refuse to shrink below a minimum
@@ -10,7 +9,7 @@
 	// See https://dev.w3.org/csswg/css-flexbox/#min-size-auto
 	min-width: 0;
 	background: $gray-100;
-	border-radius: 4px;
+	border-radius: $grid-unit-05;
 	width: min(100%, 450px);
 
 	// Make the document title shorter in top-toolbar mode, as it has to be covered.
@@ -19,6 +18,8 @@
 	}
 
 	.components-button {
+		border-radius: $grid-unit-05;
+
 		&:hover {
 			color: var(--wp-block-synced-color);
 			background: $gray-200;