Open combo box at last selected item

src/lib/widgets/ComboWidget.svelte

@@ -8,7 +8,7 @@
  import { type WidgetLayout } from "$lib/stores/layoutStates";
  import { get, writable, type Writable } from "svelte/store";
  import { isDisabled } from "./utils"
- import { getSafetensorsMetadata } from '$lib/utils';
+ import { clamp, getSafetensorsMetadata } from '$lib/utils';
  export let widget: WidgetLayout | null = null;
  export let isMobile: boolean = false;
  let node: ComfyComboNode | null = null;
@@ -174,7 +174,7 @@
                         itemCount={filteredItems.length}
                         {itemSize}
                         overscanCount={5}
-                        scrollToIndex={hoverItemIndex}>
+                        scrollToIndex={activeIndex != null ? clamp(activeIndex + itemsToShow - 1, 0, filteredItems.length-1) : hoverItemIndex}>
                         <div slot="item"
                                 class="comfy-select-item"
                                 class:mobile={isMobile}