[backport core/1.41] fix: tree explorer nodes not filling parent container width (#9981)

Backport of #9964 to `core/1.41`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9981-backport-core-1-41-fix-tree-explorer-nodes-not-filling-parent-container-width-3246d73d3650819fa181c447eadbe47a)
by [Unito](https://www.unito.io)

Co-authored-by: Yourz <crazilou@vip.qq.com>
Co-authored-by: Amp <amp@ampcode.com>

src/components/common/TreeExplorerV2.vue

@@ -8,7 +8,7 @@
         :get-children="
           (item) => (item.children?.length ? item.children : undefined)
         "
-        class="m-0 p-0 pb-6"
+        class="m-0 min-w-0 p-0 pb-6"
       >
         <TreeVirtualizer
           v-slot="{ item }"

src/components/common/TreeExplorerV2Node.vue

@@ -99,7 +99,7 @@ import type { RenderedTreeExplorerNode } from '@/types/treeExplorerTypes'
 import { cn } from '@/utils/tailwindUtil'
 
 const ROW_CLASS =
-  'group/tree-node flex cursor-pointer select-none items-center gap-3 overflow-hidden py-2 outline-none hover:bg-comfy-input mx-2 rounded'
+  'group/tree-node flex w-full min-w-0 cursor-pointer select-none items-center gap-3 overflow-hidden py-2 outline-none hover:bg-comfy-input mx-2 rounded'
 
 const { item } = defineProps<{
   item: FlattenedItem<RenderedTreeExplorerNode<ComfyNodeDefImpl>>