fix #887

lib/classes/JsonApi/Routes/Courseware/Authority.php

resources/assets/stylesheets/scss/courseware.scss

...ue/components/courseware/CoursewareAccordionContainer.vue

...rces/vue/components/courseware/CoursewareActionWidget.vue

resources/vue/components/courseware/CoursewareAudioBlock.vue

.../vue/components/courseware/CoursewareBeforeAfterBlock.vue

...rces/vue/components/courseware/CoursewareBlockActions.vue

...urces/vue/components/courseware/CoursewareCanvasBlock.vue

resources/vue/components/courseware/CoursewareChartBlock.vue

resources/vue/components/courseware/CoursewareCodeBlock.vue

...rces/vue/components/courseware/CoursewareConfirmBlock.vue

.../vue/components/courseware/CoursewareContainerActions.vue

resources/vue/components/courseware/CoursewareDateBlock.vue

...rces/vue/components/courseware/CoursewareDefaultBlock.vue

.../vue/components/courseware/CoursewareDefaultContainer.vue

.../vue/components/courseware/CoursewareDialogCardsBlock.vue

...ces/vue/components/courseware/CoursewareDocumentBlock.vue

...ces/vue/components/courseware/CoursewareDownloadBlock.vue

resources/vue/components/courseware/CoursewareEmbedBlock.vue

...s/vue/components/courseware/CoursewareEmptyElementBox.vue