fix: forward data-testid attrs through TreeExplorer to fix E2E tests

- Add inheritAttrs: false and v-bind="$attrs" to TreeExplorer.vue
- Add #folder slot with NodeTreeFolder in NodeLibrarySidebarTab.vue
- Fixes 92 failing tests that couldn't find node-library-tree or folder elements

Amp-Thread-ID: https://ampcode.com/threads/T-019c1636-dca2-77ad-85ad-bcc53aa73e94
Co-authored-by: Amp <amp@ampcode.com>

src/components/common/TreeExplorer.vue

@@ -1,5 +1,6 @@
 <template>
   <Tree
+    v-bind="$attrs"
     v-model:expanded-keys="expandedKeys"
     v-model:selection-keys="selectionKeys"
     class="tree-explorer px-2 py-0 2xl:px-4 bg-transparent"
@@ -36,6 +37,10 @@
   <ContextMenu ref="menu" :model="menuItems" />
 </template>
 <script setup lang="ts">
+defineOptions({
+  inheritAttrs: false
+})
+
 import ContextMenu from 'primevue/contextmenu'
 import type { MenuItem, MenuItemCommandEvent } from 'primevue/menuitem'
 import Tree from 'primevue/tree'

src/components/sidebar/tabs/NodeLibrarySidebarTab.vue

@@ -122,6 +122,9 @@
             class="node-lib-tree-explorer"
             :root="renderedRoot"
           >
+            <template #folder="{ node }">
+              <NodeTreeFolder :node="node" />
+            </template>
             <template #node="{ node }">
               <NodeTreeLeaf :node="node" :open-node-help="openHelp" />
             </template>
@@ -158,6 +161,7 @@ import NodePreview from '@/components/node/NodePreview.vue'
 import NodeSearchFilter from '@/components/searchbox/NodeSearchFilter.vue'
 import SidebarTabTemplate from '@/components/sidebar/tabs/SidebarTabTemplate.vue'
 import NodeHelpPage from '@/components/sidebar/tabs/nodeLibrary/NodeHelpPage.vue'
+import NodeTreeFolder from '@/components/sidebar/tabs/nodeLibrary/NodeTreeFolder.vue'
 import NodeTreeLeaf from '@/components/sidebar/tabs/nodeLibrary/NodeTreeLeaf.vue'
 import Button from '@/components/ui/button/Button.vue'
 import { useTreeExpansion } from '@/composables/useTreeExpansion'