chore(lint): cleanup minor issues

packages/svelte/src/lib/components/nodes/GroupNode.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import type { NodeProps } from '$lib/types';
 
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   interface $$Props extends NodeProps {}
 
   // this is a workaround for suppressing the warning about unused props

packages/svelte/src/lib/plugins/NodeToolbar/NodeToolbar.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
   import { getContext } from 'svelte';
-  import { getNodesBounds, Position, type Rect, getNodeToolbarTransform } from '@xyflow/system';
+  import { getNodesBounds, Position, getNodeToolbarTransform } from '@xyflow/system';
   import portal from '$lib/actions/portal';
   import type { InternalNode } from '$lib/types';
   import { useStore } from '$lib/store';