feat: show ownership filter when category is selected in left nav

Show the ownership filter dropdown in AssetFilterBar when a specific

category (not 'all' or 'imported') is selected, allowing users to

filter by ownership within category views.

Amp-Thread-ID: https://ampcode.com/threads/T-019c108b-1791-71fd-b480-cb6c5ab4a17e
Co-authored-by: Amp <amp@ampcode.com>

src/platform/assets/components/AssetBrowserModal.vue

@@ -51,7 +51,7 @@
     <template #contentFilter>
       <AssetFilterBar
         :assets="categoryFilteredAssets"
-        :show-ownership-filter="!shouldShowLeftPanel"
+        :show-ownership-filter
         @filter-change="updateFilters"
         @click.self="focusedAsset = null"
       />
@@ -211,6 +211,12 @@ const shouldShowLeftPanel = computed(() => {
   return props.showLeftPanel ?? true
 })
 
+const showOwnershipFilter = computed(
+  () =>
+    !shouldShowLeftPanel.value ||
+    (selectedNavItem.value !== 'all' && selectedNavItem.value !== 'imported')
+)
+
 const emptyMessage = computed(() => {
   if (!isImportedSelected.value) {
     return isUploadButtonEnabled.value