Voting improvement ideas

[Macroz]

• [ ] deciders vote
• [ ] allow choosing the types of votes such as "approve", "reject" etc. with technical values and translations (like processing state)
• [ ] voters vote (add/invite any user as voter specifically)
• [ ] don't allow changing voting type in edit workflow (after workflow is in use)
• [ ] add to "test commands" etc. where it might be missing
• [ ] browser test
• [ ] manual
• [ ] consider if the votes should be printed in the handling user version of PDF print