chore: Nuxt 4 upgrade (#7426)

frontend/app/components/global/AppToolbar.vue

@@ -0,0 +1,31 @@
+<template>
+  <v-toolbar
+    color="transparent"
+    flat
+  >
+    <BaseButton
+      color="null"
+      rounded
+      secondary
+      @click="$router.go(-1)"
+    >
+      <template #icon>
+        {{ $globals.icons.arrowLeftBold }}
+      </template>
+      {{ $t('general.back') }}
+    </BaseButton>
+    <slot />
+  </v-toolbar>
+</template>
+
+<script setup lang="ts">
+defineProps({
+  back: {
+    type: Boolean,
+    default: false,
+  },
+});
+</script>
+
+<style lang="scss" scoped>
+</style>