Update AP posting form validation.

client/src/components/dms-allocations-summary-ap/dms-allocations-summary-ap.component.jsx

@@ -140,7 +140,10 @@ export function DmsAllocationsSummaryAp({ socket, bodyshop, billids, title }) {
         >
           <Input />
         </Form.Item>
-        <Button disabled={!socket.allocationsSummary} htmlType="submit">
+        <Button
+          disabled={!allocationsSummary || allocationsSummary.length === 0}
+          htmlType="submit"
+        >
           {t("jobs.actions.dms.post")}
         </Button>
       </Form>