[backport core/1.35] fix: node preview Vue mode sizing in manager panel (#7640)

Backport of #7611 to `core/1.35`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7640-backport-core-1-35-fix-node-preview-Vue-mode-sizing-in-manager-panel-2ce6d73d365081759ef5c8e05ff92553)
by [Unito](https://www.unito.io)

Co-authored-by: Johnpaul Chiwetelu <49923152+Myestery@users.noreply.github.com>

src/renderer/extensions/vueNodes/components/LGraphNodePreview.vue

@@ -1,7 +1,12 @@
 <template>
   <div
     :data-node-id="nodeData.id"
-    class="bg-component-node-background lg-node absolute pb-1 contain-style contain-layout w-[350px] rounded-2xl touch-none flex flex-col border-1 border-solid outline-transparent outline-2 border-node-stroke"
+    :class="
+      cn(
+        'bg-component-node-background lg-node pb-1 contain-style contain-layout w-[350px] rounded-2xl touch-none flex flex-col border-1 border-solid outline-transparent outline-2 border-node-stroke',
+        position
+      )
+    "
   >
     <div
       class="flex flex-col justify-center items-center relative pointer-events-none"
@@ -37,9 +42,11 @@ import NodeSlots from '@/renderer/extensions/vueNodes/components/NodeSlots.vue'
 import NodeWidgets from '@/renderer/extensions/vueNodes/components/NodeWidgets.vue'
 import type { ComfyNodeDef as ComfyNodeDefV2 } from '@/schemas/nodeDef/nodeDefSchemaV2'
 import { useWidgetStore } from '@/stores/widgetStore'
+import { cn } from '@/utils/tailwindUtil'
 
-const { nodeDef } = defineProps<{
+const { nodeDef, position = 'absolute' } = defineProps<{
   nodeDef: ComfyNodeDefV2
+  position?: 'absolute' | 'relative'
 }>()
 
 const widgetStore = useWidgetStore()