feat: default value for language select

packages/web/src/settings/SettingsModal.svelte

@@ -39,7 +39,7 @@
   import { derived } from 'svelte/store';
   import { safeFormatDate } from 'dbgate-tools';
   import FormDefaultActionField from './FormDefaultActionField.svelte';
-  import { _t } from '../translations';
+  import { _t, getSelectedLanguage } from '../translations';
   import { internalRedirectTo } from '../clientAuth';
 
   const electron = getElectron();
@@ -123,11 +123,16 @@ ORDER BY
             {/if}
           {/if}
 
-          <FormCheckboxField name="tabGroup.showServerName" label="Show server name alongside database name in title of the tab group" defaultValue={false} />
+          <FormCheckboxField
+            name="tabGroup.showServerName"
+            label="Show server name alongside database name in title of the tab group"
+            defaultValue={false}
+          />
           <div class="heading">{_t('settings.localization', { defaultMessage: 'Localization' })}</div>
           <FormSelectField
             label="Language"
             name="localization.language"
+            defaultValue={getSelectedLanguage()}
             isNative
             options={[
               { value: 'en', label: 'English' },