adds missed translations

app/client/components/modals.ts

@@ -172,7 +172,7 @@ export function showTipPopup(
         cssBehavioralPromptHeader(
           cssHeaderIconAndText(
             icon('Idea'),
-            cssHeaderText('TIP'),
+            cssHeaderText(t('TIP')),
           ),
         ),
         cssBehavioralPromptBody(

app/client/ui/OnBoardingPopups.ts

@@ -309,7 +309,7 @@ class OnBoardingPopupsCtl extends Disposable {
       ),
       Buttons(
         bigBasicButton(
-          'Previous', testId('previous'),
+          t('Previous'), testId('previous'),
           dom.on('click', () => this._move(-1)),
           dom.prop('disabled', isFirstStep),
           {style: `margin-right: 8px; visibility: ${isFirstStep ? 'hidden' : 'visible'}`},