Show message in Inventory tab for variable products (#37185)

* Add message to inventory tab

* Add styles

* Add changelog

* Fix link styles

* Fix message style without buttons

* Avoid line break

* Remove space

---------

Co-authored-by: Fernando Marichal <contacto@fernandomarichal.com>

plugins/woocommerce/changelog/dev-37119_show_message_for_variable_products

@@ -0,0 +1,4 @@
+Significance: minor
+Type: dev
+
+Show a message for variable products

plugins/woocommerce/client/legacy/css/admin.scss

@@ -959,11 +959,18 @@
 }
 
 #variable_product_options #message,
+#inventory_product_data .notice,
 #variable_product_options .notice {
 	display: flex;
 	margin: 10px;
 	background-color: #ffffff;
 	> p {
+		a {
+			text-decoration: none;
+			white-space: nowrap;
+		}
+	}
+	> p:not( :last-child ) {
 		width: 85%;
 	}
 	.woocommerce-add-variation-price-container {

plugins/woocommerce/includes/admin/meta-boxes/views/html-product-data-inventory.php

@@ -10,7 +10,11 @@ if ( ! defined( 'ABSPATH' ) ) {
 }
 ?>
 <div id="inventory_product_data" class="panel woocommerce_options_panel hidden">
-
+	<div class="inline notice woocommerce-message show_if_variable">
+		<p>
+			<?php echo esc_html_e( 'Settings below apply to all variations without manual stock management enabled.', 'woocommerce' ); ?> <a target="_blank" href="https://woocommerce.com/document/variable-product/"><?php esc_html_e( 'Learn more', 'woocommerce' ); ?></a>
+		</p>
+	</div>
 	<div class="options_group">
 		<?php
 		if ( wc_product_sku_enabled() ) {