Improvements / copy changes on finish filtering

[MoeNick]

• We should do some copy changes in the above screen.
• We should add a confetti animation when vote is submitted.
• Non selected projects should not be grayed out.

Design:
https://www.figma.com/design/VeVWDkxYhD8G3AxMFiFYp3/Pairwise-Mobile-Voting-App?node-id=6081-14293&t=aCHXIcRVPJiiWYaV-4