Add a filter `woocommerce_admin_terms_metabox_datalimit` to change the data-limit value for the attributes term box (#45506)

* Update html-product-attribute-inner.php

Add a new filter `woocommerce_admin_terms_metabox_datalimit` to change the value of data-limit. See #37548 for more context.

* Update html-product-attribute-inner.php

* Creating a changelog file again

* update @since tag

* tweak changelog file wording

---------

Co-authored-by: Saif H. Hassan <67080558+Babylon1999@users.noreply.github.com>

plugins/woocommerce/changelog/fix-37548

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Add a filter to adjust the 50 terms limitation in the product edit page.

plugins/woocommerce/includes/admin/meta-boxes/views/html-product-attribute-inner.php

@@ -37,10 +37,17 @@ if ( ! defined( 'ABSPATH' ) ) {
 
 				if ( 'select' === $attribute_taxonomy->attribute_type ) {
 					$attribute_orderby = ! empty( $attribute_taxonomy->attribute_orderby ) ? $attribute_taxonomy->attribute_orderby : 'name';
+					/**
+					* Filter the length (number of terms) rendered in the list.
+					*
+					* @since 8.8.0
+					* @param int $term_limit The maximum number of terms to display in the list.
+					*/
+					$term_limit = absint( apply_filters( 'woocommerce_admin_terms_metabox_datalimit', 50 ) );
 					?>
 					<select multiple="multiple"
 							data-minimum_input_length="0"
-							data-limit="50" data-return_id="id"
+							data-limit="<?php echo esc_attr( $term_limit ); ?>" data-return_id="id"
 							data-placeholder="<?php esc_attr_e( 'Select values', 'woocommerce' ); ?>"
 							data-orderby="<?php echo esc_attr( $attribute_orderby ); ?>"
 							class="multiselect attribute_values wc-taxonomy-term-search"