Backfill icons too in the Gamedata bundle sync

Extend the post-import backfill to also copy missing _icon.png files
into /var/www/Gamedata/icons (in addition to nitros into
bundled/furniture) so all imported furniture shows an icon in-game.
Report copied nitros and icons separately in the API/SSE responses.

src/app/api/admin/import/furni/batch-regen/route.ts

@@ -15,7 +15,7 @@ import {
 	downloadFile,
 	ensureDirectories,
 	ensureFurniOwnership,
-	syncNitrosToGamedataBundle,
+	syncAssetsToGamedataBundle,
 } from "@/lib/services/furni-import";
 import { getOfficialHabboFurnidata } from "@/lib/services/habbo-furnidata-cache";
 import { rcon } from "@/lib/services/rcon";
@@ -262,8 +262,8 @@ export const POST = withAdmin(
 				// Keep regenerated assets readable by the web server
 				const ownership = await ensureFurniOwnership();
 
-				// Backfill any missing nitros into the emulator's Gamedata bundle
-				const nitrosSynced = await syncNitrosToGamedataBundle();
+				// Backfill any missing nitros and icons into the emulator's Gamedata bundle
+				const assetsSynced = await syncAssetsToGamedataBundle();
 
 				send({
 					type: "regen_complete",
@@ -272,7 +272,8 @@ export const POST = withAdmin(
 					skipped,
 					furniDataAdded: furniDataEntries.length,
 					ownershipFixed: ownership.fixed,
-					nitrosSynced: nitrosSynced.copied,
+					nitrosSynced: assetsSynced.copiedNitros,
+					iconsSynced: assetsSynced.copiedIcons,
 					duration: Date.now() - startTime,
 				});