refactor(newappeal): extract payload cleanup helpers (Slice 2a)

- extracted boolean normalization

- extracted null key removal

- extracted internal key stripping

- no behaviour change

components/newappeal/complete.js

@@ -5,6 +5,7 @@ import { useEffect } from "react";
 import { connect } from "react-redux";
 import { formValueSelector } from "redux-form";
 import { sendEmail } from "../../actions/services/notifyService";
+import { normalizeYesNoBooleans } from "../../lib/newappeal/payloadCleanup";
 import { setCurrentSection } from "../../store/appealType/action";
 import { getFormCollectionByID } from "../utils";
 
@@ -31,10 +32,7 @@ let CompleteAppeal = (props) => {
                 "/incidents(" + incidentId + ")"
         });
 
-        updateBody = JSON.stringify(updateBody);
-        updateBody = updateBody.replace(/:"Yes"/gm, `:true`);
-        updateBody = updateBody.replace(/:"No"/gm, `:false`);
-        updateBody = JSON.parse(updateBody);
+        updateBody = normalizeYesNoBooleans(updateBody);
 
         let updateFormCollection = appTypeCollection.LogicalCollectionName;
         let primaryAttribute = appTypeCollection.PrimaryIdAttribute;