Changed default value for asyncFetch

Author: dmols

src/Lms/Canvas/CanvasLms.php

@@ -363,7 +363,9 @@ public function updateCourseContent(Course $course, User $user, $force = false):
 
         // Batch page pulling maintenance
         $pageUrls = [];
-        $asyncFetch = true;
+
+        // Due to the sequential calls, this field being true currently makes the process a lot slower.
+        $asyncFetch = false;
 
         $start_time = microtime(true);
         foreach ($urls as $contentType => $url) {