feat: migrate to vue 3 (#2689)

---------

Co-authored-by: Joep <jcbuhre@gmail.com>
Co-authored-by: Omar Hussein <omarmohammad1951@gmail.com>
Co-authored-by: Oleg Lobanov <oleg@lobanov.me>

frontend/src/components/prompts/FileList.vue

@@ -25,7 +25,10 @@
 </template>
 
 <script>
-import { mapState } from "vuex";
+import { mapState } from "pinia";
+import { useAuthStore } from "@/stores/auth";
+import { useFileStore } from "@/stores/file";
+
 import url from "@/utils/url";
 import { files } from "@/api";
 
@@ -42,8 +45,10 @@ export default {
       current: window.location.pathname,
     };
   },
+  inject: ["$showError"],
   computed: {
-    ...mapState(["req", "user"]),
+    ...mapState(useAuthStore, ["user"]),
+    ...mapState(useFileStore, ["req"]),
     nav() {
       return decodeURIComponent(this.current);
     },