Show total number of votes - Closes #874

[youxiberlin]

What was the problem?

• A delegate profile showed the paginated amount of vote, not the total number of the voters.

How did I fix it?

• Changed {{vm.address.votes.length} to {{vm.address.votersMeta.count}}

How to test it?

• Checked on browser.

Review checklist

• The PR solves Delegate profiles does not show total number of votes #874
• All new code is covered with unit tests
• All new code was formatted with Prettier
• Linting passes
• Tests pass
• Commit messages follow the
  commit guidelines
• Documentation has been added/updated

[MichalTuleja]

It looks correct now.
Could you please also update the delegate.feature file, so it tests the actual delegate /account page with voter and vote count?