set admin field as requaired

Author: Usik2203

app/code/Magento/Swatches/view/adminhtml/ui_component/product_attribute_add_form.xml

@@ -292,6 +292,10 @@
                     <settings>
                         <dataType>text</dataType>
                         <label translate="true">Admin</label>
+                        <required>true</required>
+                        <validation>
+                            <rule name="required-entry" xsi:type="boolean">true</rule>
+                        </validation>
                     </settings>
                 </field>
                 <field name="position" component="Magento_Catalog/js/form/element/input" formElement="input">