Key/List issue - Check the render method of `ForwardRef(Container)`.

### Description

Rendering children in a container is throwing a "key" error

### CodeSandbox/Snack link

See below

### Steps to reproduce

1. Go to '...'
2. Click on '...'
3. Scroll down to '...'
4. See error

### NativeBase Version

^3.4.0

### Platform

- [x] Android
- [ ] CRA
- [ ] Expo
- [X] iOS
- [ ] Next

### Other Platform

_No response_

### Additional Information

```

{clientName}

```

doesn't throw the error, but as soon as I add another child

```

{clientName}

Hey

```

I get this error:
```
Warning: Each child in a list should have a unique "key" prop.

Check the render method of `ForwardRef(Container)`.
```

Specifically this is happening in a ListHeaderComponent of a FlatList