By Matthew Davis After a two-year legal battle, officials have finally been forced by a court to reveal that the booze bill for a Brexit party in No10 was £7,897. Civil servants had blocked a Freedom of Information request about drinks served at then-PM Boris Johnson’s bash to mark the moment the UK finally left the EU at 11pm, on January 31, 2020. The decision was backed up by the Information Commissioner, who agreed the public interest was not strong enough. But campaigners took the case to an Information Tribunal, which ruled against the government. Now the documents released show guests at…