fix: contributor error rescue

app/controllers/repositories_controller.rb

@@ -150,7 +150,8 @@ class RepositoriesController < ApplicationController
     if params[:filepath].present? || @project.educoder?
       @contributors = []
     else
-      @contributors = Gitea::Repository::Contributors::GetService.call(@owner, @repository.identifier)
+      result = Gitea::Repository::Contributors::GetService.call(@owner, @repository.identifier)
+      @contributors = result.is_a?(Hash) && result.key?(:status) ? [] : result
     end
   rescue
     @contributors = []