feature/IO-3357-Reynolds-and-Reynolds-DMS-API-Integration -Cleaned up DMS key check (consolidated into a helper function), Clean up DMS post form and make it agnostic, same with customer selector.

client/src/components/shop-info/shop-info.responsibilitycenters.taxes.component.jsx

@@ -5,6 +5,7 @@ import { createStructuredSelector } from "reselect";
 import { selectBodyshop } from "../../redux/user/user.selectors";
 import InstanceRenderManager from "../../utils/instanceRenderMgr";
 import LayoutFormRow from "../layout-form-row/layout-form-row.component";
+import { bodyshopHasDmsKey } from "../../utils/dmsUtils.js";
 
 const mapStateToProps = createStructuredSelector({
   //currentUser: selectCurrentUser
@@ -2126,7 +2127,7 @@ function TaxFormItems({ typeNum, typeNumIterator, rootElements, bodyshop }) {
         >
           <Input />
         </Form.Item>
-        {(bodyshop.cdk_dealerid || bodyshop.pbs_serialnumber || bodyshop.rr_dealerid) && (
+        {bodyshopHasDmsKey(bodyshop) && (
           <Form.Item
             label={t("bodyshop.fields.dms.dms_acctnumber")}
             rules={[