fix: PIN-6265 show a proper error message when bnf is already distributed

Merge request

​ Changes:

• show a proper error message when bnf is already distributed
• update translations ​

---

Code should:

• make sense
• follow project conventions (architecture, tech stack, naming)
• not cointain any dead or unused code
• not cointain any technical debt or TODOs without Jira issue
• be tested
• be documented ​

The full code checklist as well as other useful information about the code review process are on the Code review wiki page

Closes PIN-6265