Draft: Resolve "[TCC planning] Frontend is incredibly slow with large amounts of entries"

Closes #49

aleksis/apps/lesrooster/frontend/components/timebound_course_config/TimeboundCourseConfigRaster.vue

@@ -288,9 +288,7 @@ export default {
           Object.assign(existingCreatedCourse, newValue);
         }
       } else {
-        if (
-          !course.lrTimeboundCourseConfigs?.length
-        ) {
+        if (!course.lrTimeboundCourseConfigs?.length) {
           let existingCreatedCourseConfig = this.createdCourseConfigs.find(
             (c) =>
               c.course === course.id &&
@@ -498,7 +496,11 @@ export default {
     subjects: {
       query: subjects,
       skip() {
-        return !this.groupIDSet.size || !this.internalValidityRange || !this.persons.length;
+        return (
+          !this.groupIDSet.size ||
+          !this.internalValidityRange ||
+          !this.persons.length
+        );
       },
       variables() {
         return {