🐛 [BUG] eazychart-[react & vue] - empty tooltip

### Description

The Bubble Map shows empty tooltip empty for country without data

### Reproduction steps

```bash
1. Go to storybook
2. Click on Map chart
3. Select bubblemap
4. Update data to remove a datum of a country
5. See empty tooltip
```


### Logs

_No response_

### Browsers

Chrome

### OS

Linux