feat(ui): add select all / clear all shortcuts for inbound multi-select (#5175)

* feat(ui): add select all / clear all shortcuts for inbound multi-select

Adds 'Select all' and 'Clear all' buttons above the inbound multi-select in:
- ClientFormModal (add/edit client)
- BulkAttachInboundsModal (bulk attach clients to inbounds)
- BulkDetachInboundsModal (bulk detach clients from inbounds)
- ClientBulkAddModal (add bulk clients)

Extracts the repeated button logic into a reusable SelectAllClearButtons component.

Includes i18n keys for all 13 supported languages with proper translations.

Closes #5144

* refactor(form): decouple SelectAllClearButtons labels and harden select-all

Accept optional selectAllLabel/clearLabel props so the generic form component is not tied to the client-inbound i18n keys (defaults unchanged). Compute the all-selected state by checking every option is present and union the current value on select-all, so it stays correct if value holds ids outside options.

---------

Co-authored-by: Sanaei <ho3ein.sanaei@gmail.com>

frontend/src/pages/clients/ClientFormModal.tsx

@@ -18,10 +18,9 @@ import {
 import { EyeOutlined, ReloadOutlined } from '@ant-design/icons';
 import dayjs from 'dayjs';
 import type { Dayjs } from 'dayjs';
-
 import { HttpUtil, RandomUtil } from '@/utils';
 import { formatInboundLabel } from '@/lib/inbounds/label';
-import { DateTimePicker } from '@/components/form';
+import { DateTimePicker, SelectAllClearButtons } from '@/components/form';
 import { TLS_FLOW_CONTROL } from '@/schemas/primitives';
 import type { ClientRecord, InboundOption } from '@/hooks/useClients';
 import { ClientFormSchema, ClientCreateFormSchema } from '@/schemas/client';
@@ -601,6 +600,11 @@ export default function ClientFormModal({
           </Row>
 
           <Form.Item label={t('pages.clients.attachedInbounds')} required={!isEdit}>
+            <SelectAllClearButtons
+              options={inboundOptions}
+              value={form.inboundIds}
+              onChange={(v) => update('inboundIds', v)}
+            />
             <Select
               mode="multiple"
               value={form.inboundIds}