feat: make the first item consider testPart pre-conditions

src/qtism/runtime/tests/AbstractSessionManager.php

@@ -200,6 +200,7 @@ protected function createRoute(AssessmentTest $test): Route
                             // Do the same as for branch rules for pre conditions, except that they must be
                             // attached on the first item of the route.
                             $route->getFirstRouteItem()->addPreConditions($current->getPreConditions());
+                            $route->getFirstRouteItem()->addPreConditions($testPart->getPreConditions());
                         }
 
                         array_push($routeStack, $route);