[Bug] Onboarding | 'Your account is Ready' screen cut off at default zoom

### Pre-flight checklist

- [x] I searched existing issues and didn't find a duplicate.
- [ ] I tried a hard reload (Cmd/Ctrl + Shift + R) and the bug persists.
- [ ] I tried in an incognito/private window and the bug persists.

### Bug Type

UI / Visual (layout, styling, responsiveness)

### Severity

Low — minor visual or copy issue

### Page / Area

Homepage (/)

### URL

decentraland.org/play

### Environment

Production (prd)

### Description

On the 'Your account is Ready!' screen, the UI does not adapt to the viewport at 100% browser zoom — buttons and content are cut off and not fully visible. Reducing zoom to 80% restores the full layout.

### Frequency

Always (100%)

### Regression?

Unknown

### Last known working version / date

_No response_

### Steps to Reproduce

1. Navigate to decentraland.org/play
2. Create a new account
3. Complete the account setup flow until the 'Your account is Ready!' screen
4. Observe the screen at 100% browser zoom
5. Reduce zoom to 80% and observe

### Expected Behavior

The 'Your account is Ready!' screen should display all content and buttons correctly at 100% browser zoom without requiring any adjustments.

### Actual Behavior

At 100% zoom, content and buttons are cut off and not fully visible. Reducing to 80% zoom displays the screen correctly. Screenshot attached.

### Browser

Chrome

### Browser version

_No response_

### Operating System

Windows

### OS version

_No response_

### Device type

Desktop

### Site language

English (en)

### Authentication Method

Wallet Provider (MetaMask, Rabby, etc.)

### Auth Details

_No response_

### Blockchain Network

_No response_

### Screenshots / Screen Recording

_No response_

### Console Errors

```shell

```

### Failed Network Requests

```shell

```

### HAR file

_No response_

### Additional Context

_No response_