Full Asset Selection Experience (Assets API) (#5900)

## Summary

Full Integration of Asset Browsing and Selection when Assets API is
enabled.

## Changes

1. Replace Model Left Side Tab with experience
2. Configurable titles for the Asset Browser Modal
3. Refactors to simplify callback code
4. Refactor to make modal filters reactive (they change their values
based on assets displayed)
5. Add `browse()` mode with ability to create node directly from the
Asset Browser Modal (in `browse()` mode)

## Screenshots

Demo of many different types of Nodes getting configured by the Modal



https://github.com/user-attachments/assets/34f9c964-cdf2-4c5d-86a9-a8e7126a7de9

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-5900-Feat-asset-selection-cloud-integration-2816d73d365081ccb4aeecdc14b0e5d3)
by [Unito](https://www.unito.io)

src/platform/assets/components/AssetBrowserModal.vue

@@ -2,7 +2,7 @@
   <BaseModalLayout
     data-component-id="AssetBrowserModal"
     class="size-full max-h-full max-w-full min-w-0"
-    :content-title="contentTitle"
+    :content-title="displayTitle"
     @close="handleClose"
   >
     <template v-if="shouldShowLeftPanel" #leftPanel>
@@ -14,7 +14,9 @@
         <template #header-icon>
           <div class="icon-[lucide--folder] size-4" />
         </template>
-        <template #header-title>{{ $t('assetBrowser.browseAssets') }}</template>
+        <template #header-title>
+          <span class="capitalize">{{ displayTitle }}</span>
+        </template>
       </LeftSidePanel>
     </template>
 
@@ -28,7 +30,10 @@
     </template>
 
     <template #contentFilter>
-      <AssetFilterBar :assets="assets" @filter-change="updateFilters" />
+      <AssetFilterBar
+        :assets="categoryFilteredAssets"
+        @filter-change="updateFilters"
+      />
     </template>
 
     <template #content>
@@ -56,10 +61,11 @@ import { OnCloseKey } from '@/types/widgetTypes'
 const props = defineProps<{
   nodeType?: string
   inputName?: string
-  onSelect?: (assetPath: string) => void
+  onSelect?: (asset: AssetItem) => void
   onClose?: () => void
   showLeftPanel?: boolean
   assets?: AssetItem[]
+  title?: string
 }>()
 
 const emit = defineEmits<{
@@ -74,11 +80,15 @@ const {
   selectedCategory,
   availableCategories,
   contentTitle,
+  categoryFilteredAssets,
   filteredAssets,
-  selectAssetWithCallback,
   updateFilters
 } = useAssetBrowser(props.assets)
 
+const displayTitle = computed(() => {
+  return props.title ?? contentTitle.value
+})
+
 const shouldShowLeftPanel = computed(() => {
   return props.showLeftPanel ?? true
 })
@@ -88,8 +98,10 @@ function handleClose() {
   emit('close')
 }
 
-async function handleAssetSelectAndEmit(asset: AssetDisplayItem) {
+function handleAssetSelectAndEmit(asset: AssetDisplayItem) {
   emit('asset-select', asset)
-  await selectAssetWithCallback(asset.id, props.onSelect)
+  // onSelect callback is provided by dialog composable layer
+  // It handles the appropriate transformation (filename extraction or full asset)
+  props.onSelect?.(asset)
 }
 </script>