Courseware Blöcke lassen sich nicht per Drag&Drop einfügen

Closes #5095

Merge request studip/studip!3808

resources/vue/components/courseware/containers/CoursewareAccordionContainer.vue

@@ -55,6 +55,8 @@
                             :containerId="container.id"
                             :sectionId="index"
                             item-key="id"
+                            :data-container-id="container.id"
+                            :data-section-id="index"
                         >
                             <template #item="{element, index}">
                                 <li class="cw-block-item cw-block-item-sortable">

resources/vue/components/courseware/containers/CoursewareListContainer.vue

@@ -38,6 +38,8 @@
                         :containerId="container.id"
                         sectionId="0"
                         item-key="id"
+                        :data-container-id="container.id"
+                        data-section-id="0"
                     >
                         <template #item="{element}">
                             <li

resources/vue/components/courseware/containers/CoursewareTabsContainer.vue

@@ -62,6 +62,8 @@
                                 :containerId="container.id"
                                 :sectionId="sectionIndex"
                                 item-key="id"
+                                :data-container-id="container.id"
+                                :data-section-id="sectionIndex"
                             >
                                 <template #item="{element}">
                                     <li class="cw-block-item cw-block-item-sortable">

resources/vue/components/courseware/toolbar/CoursewareToolbarBlocks.vue

@@ -256,8 +256,7 @@ export default {
             this.isDragging = true;
         },
         async dropNewBlock(e) {
-            // TODO: This seems way to hackish
-            const targetAttributes = e.to.__vnode.ctx.attrs;
+            const targetAttributes = e.to.dataset;
             const blockType = e.item.dataset.blocktype;
 
             // only execute if dropped in destined list