N°2888 Check password policy only if field set with a string

Some callers are setting the field using an ormPassword object containing hashed password + salt

examples:
 - csv import
 - data synchro
 - ...

datamodels/2.x/authent-local/model.authent-local.php

@@ -249,6 +249,14 @@ class UserLocal extends UserInternal
 			$config =  MetaModel::GetConfig();
 		}
 
+		//if the $proposedValue is an ormPassword, then it cannot be checked
+		//this if is even more permissive as we can only check against strings
+		if (!is_string($proposedValue) && !empty($proposedValue))
+		{
+			$this->m_oPasswordValidity = new UserLocalPasswordValidity(true);
+			return;
+		}
+
 		if (null == $aValidatorCollection)
 		{
 			$aValidatorCollection = MetaModel::EnumPlugins('iModuleExtension', 'UserLocalPasswordValidator');