Merge branch 'getSelectedDefaultTaxMode' into 'master'

getSelectedDefaultTaxMode #1561

Finally the obnoxious error that denied vtws_create, vtws_revise and more operations, since 4 years ago, is solved.
Now you don't have to patch it manually at every release anymore.

See merge request !848

modules/Inventory/models/TaxRecord.php

@@ -25,6 +25,11 @@ class Inventory_TaxRecord_Model extends Vtiger_Base_Model {
 		return $this->get('taxlabel');
 	}
 
+
+	public function getSelectedDefaultTaxMode() {
+		return '';
+	}
+
 	public function getTax() {
 		return $this->get('percentage');
 	}