[PUI] Set password (#8770)

* Add <ChangePassword> page

* Rename Set-Password to ResetPassword

* Add unit testing

* Ensure user is properly logged into page

* Update playwright tests

* Small tweaks

src/frontend/tests/pages/pui_part.spec.ts

@@ -116,6 +116,8 @@ test('Parts - Allocations', async ({ page }) => {
   await page.getByText('5 / 109').waitFor();
 
   // Navigate to the "Allocations" tab
+  await page.waitForTimeout(500);
+
   await page.getByRole('tab', { name: 'Allocations' }).click();
 
   await page.getByRole('button', { name: 'Build Order Allocations' }).waitFor();