hotfix and update version

Author: lloydzhou

app/store/plugin.ts

@@ -199,7 +199,7 @@ export const usePluginStore = createPersistStore(
 
     getAsTools(ids: string[]) {
       const plugins = get().plugins;
-      const selected = ids
+      const selected = (ids || [])
         .map((id) => plugins[id])
         .filter((i) => i)
         .map((p) => FunctionToolService.add(p));

src-tauri/tauri.conf.json

@@ -9,7 +9,7 @@
   },
   "package": {
     "productName": "NextChat",
-    "version": "2.15.0"
+    "version": "2.15.1"
   },
   "tauri": {
     "allowlist": {