fix #1452

Closes #1452

Merge request studip/studip!1108

resources/vue/components/courseware/CoursewareTreeItem.vue

@@ -109,7 +109,7 @@ export default {
             if (Object.keys(writeApproval).length === 0) {
                 return false;
             }
-            return writeApproval.all || writeApproval.groups.length > 0 || writeApproval.users.length > 0;
+            return (writeApproval.all || writeApproval.groups.length > 0 || writeApproval.users.length > 0) && this.element.attributes['can-edit'];
         },
         hasNoReadApproval() {
             const readApproval = this.element.attributes['read-approval'];