fix(finance): shared treasury layout so tab switches stop jumping

Keep title and nav mounted in TreasuryLayout with stable header height, and finish Ant form chrome (MoneyInput, Jalali) on finance pages.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/src/views/treasury/TreasuryHomeView.vue

@@ -14,10 +14,9 @@ import {
 } from 'ant-design-vue';
 import { api } from '@/lib/api';
 import type { TreasuryDashboardDto } from '@mento/shared';
-import TreasuryNav from '@/components/treasury/TreasuryNav.vue';
 import { toman } from './treasury-format';
 
-const { Title: ATypographyTitle, Text: ATypographyText } = Typography;
+const { Text: ATypographyText } = Typography;
 const AListItem = AList.Item;
 const AListItemMeta = AList.Item.Meta;
 
@@ -46,17 +45,7 @@ onMounted(async () => {
 </script>
 
 <template>
-  <div>
-    <a-flex vertical :gap="16">
-      <div>
-        <a-typography-title :level="3" :style="{ margin: 0 }">مدیریت مالی</a-typography-title>
-        <a-typography-text type="secondary">
-          دفتر داخلی درآمد، هزینه و موجودی حساب. این بخش جایگزین فاکتور فروش یا حسابداری رسمی نیست.
-        </a-typography-text>
-      </div>
-
-      <TreasuryNav />
-
+  <a-flex vertical :gap="16">
       <a-alert v-if="error" type="error" show-icon :message="error" />
 
       <template v-if="data">
@@ -157,6 +146,5 @@ onMounted(async () => {
           </a-list>
         </a-card>
       </template>
-    </a-flex>
-  </div>
+  </a-flex>
 </template>