Update isNewLocalUnit logic

Author: shreeyash07

app/src/views/CountryNsOverviewContextAndStructure/NationalSocietyLocalUnits/LocalUnitView/index.tsx

@@ -1,3 +1,4 @@
+import { useMemo } from 'react';
 import {
     Container,
     TextOutput,
@@ -18,6 +19,7 @@ import MultiSelectOutput from '#components/MultiSelectOutput';
 import SelectOutput from '#components/SelectOutput';
 import useCountry from '#hooks/domain/useCountry';
 import useGlobalEnums from '#hooks/domain/useGlobalEnums';
+import hasDifferences, { getFormFields } from '#utils/localUnits';
 import {
     type GoApiResponse,
     useRequest,
@@ -29,8 +31,6 @@ import {
 } from '../LocalUnitsFormModal/LocalUnitsForm/schema';
 
 import i18n from './i18n.json';
-import { useMemo } from 'react';
-import hasDifferences, { getFormFields } from '#utils/localUnits';
 
 type VisibilityOptions = NonNullable<GoApiResponse<'/api/v2/global-enums/'>['api_visibility_choices']>[number]
 type LocalUnitResponse = NonNullable<GoApiResponse<'/api/v2/local-units/{id}/'>>;

app/src/views/CountryNsOverviewContextAndStructure/NationalSocietyLocalUnits/LocalUnitsFormModal/LocalUnitsForm/index.tsx

@@ -32,7 +32,6 @@ import {
 import {
     isDefined,
     isNotDefined,
-    isObject,
 } from '@togglecorp/fujs';
 import {
     createSubmitHandler,
@@ -438,14 +437,9 @@ function LocalUnitsForm(props: Props) {
     const previousData = (
         localUnitPreviousResponse?.previous_data_details as unknown as LocalUnitResponse
     );
-    const isNewLocalUnit = useMemo(() => {
-        if (isObject(previousData)) {
-            if (Object.keys(previousData).length <= 0) {
-                return true;
-            }
-        }
-        return false;
-    }, [previousData]);
+    const isNewLocalUnit = useMemo(() => (
+        isNotDefined(previousData) || Object.keys(previousData).length === 0
+    ), [previousData]);
 
     const showChanges = !isNewLocalUnit && !!localUnitDetailsResponse?.is_locked;