Fix report() crash when character vector has only one unique value#579

Copilot wants to merge 3 commits intomaineasystats/report:mainfrom

copilot/fix-f0d5d979-3a40-47d4-8f54-386410829563easystats/report:copilot/fix-f0d5d979-3a40-47d4-8f54-386410829563Copy head branch name to clipboard