Changed props for new Dropdown.

src/app/(main)/settings/profile/LanguageSetting.tsx

@@ -19,7 +19,7 @@ export function LanguageSetting() {
         items={options}
         value={locale}
         renderValue={renderValue}
-        onChange={saveLocale}
+        onSelect={saveLocale}
         menuProps={{ style: { height: 300, width: 300 } }}
       >
         {item => <Item key={item}>{languages[item].label}</Item>}

src/app/(main)/settings/profile/TimezoneSetting.tsx

@@ -16,7 +16,7 @@ export function TimezoneSetting() {
       <Dropdown
         items={options}
         value={timezone}
-        onChange={saveTimezone}
+        onSelect={saveTimezone}
         style={{ flex: 1 }}
         menuProps={{ style: { height: 300 } }}
       >