Add container for ns income section

Author: shreeyash07

app/src/views/CountryNsOverviewContextAndStructure/NationalSocietyLocalUnits/LocalUnitsTable/LocalUnitTableActions/index.tsx

@@ -87,7 +87,7 @@ function LocalUnitsTableActions(props: Props) {
                             confirmHeading={strings.validateLocalUnitHeading}
                             confirmMessage={resolveToString(
                                 strings.validateLocalUnitMessage,
-                                { localUnitName },
+                                { localUnitName: localUnitName ?? '' },
                             )}
                             onConfirm={handleLocalUnitValidate}
                             disabled={validateLocalUnitPending}

app/src/views/CountryNsOverviewContextAndStructure/index.tsx

@@ -76,7 +76,11 @@ export function Component() {
                 databankResponse={databankResponse}
             />
             <NationalSocietyLocalUnits />
-            <div className={styles.nsIncome}>
+            <Container
+                contentViewType="grid"
+                numPreferredGridContentColumns={2}
+                spacing="relaxed"
+            >
                 <NationalSocietyIncomeOverTime
                     selectedYear={selectedYearForIncome}
                     setSelectedYear={setSelectedYearForIncome}
@@ -88,7 +92,7 @@ export function Component() {
                         countryId={Number(countryId)}
                     />
                 )}
-            </div>
+            </Container>
             <div className={styles.nsDirectoryAndContacts}>
                 <NationalSocietyDirectory className={styles.directory} />
                 <NationalSocietyContacts className={styles.contacts} />