remove unneeded to_a

app/models/project/copy.rb

@@ -142,7 +142,7 @@ module Project::Copy
         # Reassign fixed_versions by name, since names are unique per
         # project and the versions for self are not yet saved
         if issue.fixed_version
-          new_version = versions.to_a.detect { |v| v.name == issue.fixed_version.name }
+          new_version = versions.detect { |v| v.name == issue.fixed_version.name }
           if new_version
             new_issue.skip_fixed_version_validation = true
             new_issue.fixed_version = new_version
@@ -151,7 +151,7 @@ module Project::Copy
         # Reassign the category by name, since names are unique per
         # project and the categories for self are not yet saved
         if issue.category
-          new_issue.category = categories.to_a.detect { |c| c.name == issue.category.name }
+          new_issue.category = categories.detect { |c| c.name == issue.category.name }
         end
         # Parent issue
         if issue.parent_id