Source Entity expansion with Pickup Location attributes #2182.

Show/Hide the pickup location fieldset depending from `is_pickup_location_active` value

app/code/Magento/InventoryInStorePickupAdminUi/view/adminhtml/ui_component/inventory_source_form.xml

@@ -31,11 +31,14 @@
             </formElements>
         </field>
     </fieldset>
-    <fieldset name="pickup_location" sortOrder="100">
+    <fieldset name="pickup_location" sortOrder="100" component="Magento_InventoryInStorePickupAdminUi/js/form/components/fieldset">
         <settings>
             <collapsible>true</collapsible>
             <label translate="true">Pickup Location</label>
             <dataScope>general</dataScope>
+            <imports>
+                <link name="visible">${ $.provider }:data.general.extension_attributes.is_pickup_location_active</link>
+            </imports>
         </settings>
         <field name="frontend_name">
             <settings>

app/code/Magento/InventoryInStorePickupAdminUi/view/adminhtml/web/js/form/components/fieldset.js

@@ -0,0 +1,38 @@
+/*
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+define([
+    'Magento_Ui/js/form/components/fieldset',
+    'ko'
+], function (Fieldset, ko) {
+    'use strict';
+
+    /**
+     * @TODO Remove when issue will be resolved in core.
+     * @see Please check issue in core for more details: https://github.com/magento/magento2/issues/22067.
+     */
+    return Fieldset.extend(ko).extend(
+        {
+            /**
+             * Convert visible value from string ('1', '0') to bool (true, false)
+             */
+            initialize: function () {
+                this._super();
+
+                let visible = ko.observable(this.visible());
+
+                this.visible = ko.computed({
+                    read: function () {
+                        return visible();
+                    },
+                    write: function (value) {
+                        visible(Boolean(parseInt(value)));
+                    },
+                    owner: this
+                });
+                this.visible(visible());
+            }
+        }
+    );
+});