feat: add WC Price and Odoo Price columns to product mapping UI

Added woo_price field to woo.product.map model, populated during fetch.
Search endpoint now returns both odoo_price and woo_price for side-by-side
comparison in the mapped products table.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

fusion-woo-odoo/fusion_woocommerce/controllers/product_search.py

@@ -140,6 +140,10 @@ class WooProductSearchController(http.Controller):
                 'odoo_product_id': m.product_id.id if m.product_id else False,
                 'odoo_product_name': m.product_id.name if m.product_id else '',
                 'odoo_default_code': m.product_id.default_code or '' if m.product_id else '',
+                'odoo_price': m.product_id.list_price if m.product_id else 0.0,
+                'woo_price': m.woo_price or 0.0,
+                'sync_price': m.sync_price,
+                'sync_inventory': m.sync_inventory,
                 'instance_id': m.instance_id.id if m.instance_id else False,
                 'instance_name': m.instance_id.name if m.instance_id else '',
             }