Describe the bug
When creating new proposal to MetaDecidim it doesn't allow me to create proposal because "is using too many capital letters (over 25% of the text)" even I have used capital letters normally.

To Reproduce
Steps to reproduce the behavior:

1. Go to Meta Decidim
2. Click on "New proposal"
3. Write your proposal
4. See error "is using too many capital letters (over 25% of the text)"

Expected behavior
Expecting to be able to create proposals normally.

Screenshots

Stacktrace
If applicable, add the error stacktrace to help explain your problem.

Extra data (please complete the following information):

• Device: Desktop
• Device Ubuntu
• Browser: Firefox
• Decidim Version: 0.26.0
• Decidim installation: MetaDecidim