R34. Show the name of valuators

[paarals]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like
In the proposal-overview: instead of a number, showing the names of the assigned valuator

Mock up

IMPORTANT: WE JUST NEED ONE NAME +NUMBER

Does this issue could impact on users private data?

Acceptance criteria

• In the proposal-overview: instead of a number, showing the names of the assigned valuator

Technical specifications

Implementation
openpoke/decidim-module-reporting-proposals#45

Testing

Additional context
Related to: stadtluzern/decidim-pdf-consultations#10