Readded find_issues as some subclasses still depend on it

app/controllers/application_controller.rb

@@ -380,6 +380,16 @@ class ApplicationController < ActionController::Base
     render_404
   end
 
+  # TODO: remove this once all subclasses use find_work_packages
+  def find_issues
+    @issues = WorkPackage.find_all_by_id(params[:id] || params[:ids])
+    raise ActiveRecord::RecordNotFound if @issues.empty?
+    @projects = @issues.collect(&:project).compact.uniq
+    @project = @projects.first if @projects.size == 1
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
   # Check if project is unique before bulk operations
   def check_project_uniqueness
     unless @project