FIX php8 compatibility

htdocs/product/class/productfournisseurprice.class.php

@@ -178,7 +178,7 @@ class ProductFournisseurPrice extends CommonObject
 		$this->db = $db;
 
 		if (empty($conf->global->MAIN_SHOW_TECHNICAL_ID) && isset($this->fields['rowid'])) $this->fields['rowid']['visible'] = 0;
-		if (empty($conf->multicompany->enabled) && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
+		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) $this->fields['entity']['enabled'] = 0;
 
 		// Unset fields that are disabled
 		foreach ($this->fields as $key => $val) {