🐛 7E_1, 7E_2, 7E_3,7E_4 : More than 7 links are allowed during proposal creation

### Expected
When creating a new proposal, any no of links are allowed
### Got
Any no of links can be added, but UI shows text `Links to additional content or social media contacts (up to 7 entries)
`

**Link to test results** : https://intersectmbo.github.io/govtool-test-reports/qa/govtool-frontend/490/#behaviors/1c853b5eba2ae76bed30628cc87b9764/2fbdbfcda766af73/

#### Screenshot

### Discoverd at
- https://github.com/IntersectMBO/govtool/pull/4115