moved func to utils

utils/getDefaultFilter.ts

@@ -0,0 +1,6 @@
+export const getDefaultFilter = (userInformation) => {
+    if (!userInformation) return null;
+    let type = userInformation.usertype == 'pupil' ? 'class' : 'teacher';
+    let value = userInformation.usertype == 'pupil' ? userInformation.classid : userInformation.id;
+    return { type: type, value: value, group: String(userInformation.group) };
+};