fix(setup): hide config section if autoconfig is valid

Fix #56160

Assisted-by: ClaudeCode:claude-sonnet-5-5
Signed-off-by: John Molakvoæ <14975046+skjnldsv@users.noreply.github.com>

Author: skjnldsv

core/src/views/WebInstaller.spec.ts

@@ -368,7 +368,7 @@ describe('Setup page with autoconfig', () => {
 
 		// Database and storage section is hidden as already set in autoconfig
 		await expect(component.findByText('Storage & database')).resolves.not.toThrow()
-		expect(component.getByText('Storage & database').closest('details')!.getAttribute('hidden')).toBeNull()
+		expect(component.getByText('Storage & database').closest('details')!.style.display).toBe('none')
 	})
 })
 

core/src/views/WebInstaller.vue

@@ -66,7 +66,7 @@
 		</fieldset>
 
 		<!-- Autoconfig toggle -->
-		<details :open="!isValidAutoconfig" data-cy-setup-form-advanced-config>
+		<details v-show="!isValidAutoconfig" data-cy-setup-form-advanced-config>
 			<summary>{{ t('core', 'Storage & database') }}</summary>
 
 			<!-- Data folder -->