[FIX] product: Fields in the pricelist are not fully displayed

Steps to reproduce the bug:

-Activate the option "Prices computed from formulas (discounts, margins, roundings)" on the pricelist.
-On the pricelist, click on Edit and select a product item.
-Select "Formula" as Compute price

Bug:

The fields price_surcharge and price_max_margin were not fully displayed.

Introduced by: 9de1bc0#diff-e0b4a29125b1abccb0318498970342fcL61

opw:1907217

closes #28514

addons/product/i18n/product.pot

@@ -1220,6 +1220,11 @@ msgstr ""
 msgid "Never"
 msgstr ""
 
+#. module: product
+#: model_terms:ir.ui.view,arch_db:product.product_pricelist_item_form_view
+msgid "New Price ="
+msgstr ""
+
 #. module: product
 #: model:ir.model.fields,field_description:product.field_product_product__activity_date_deadline
 #: model:ir.model.fields,field_description:product.field_product_template__activity_date_deadline

addons/product/views/product_pricelist_views.xml

@@ -58,7 +58,7 @@
                     <group col="6" attrs="{'invisible':[('compute_price', '!=', 'formula')]}">
                         <field name="base" colspan="6"/>
 
-                        <span class="o_form_label">New Price =</span>
+                        <label for="" string="New Price ="/>
                         <div>
                             <span attrs="{'invisible':[('base', '!=', 'list_price')]}">Public Price  -  </span>
                             <span attrs="{'invisible':[('base', '!=', 'standard_price')]}">Cost  -  </span>