Fixed paths to modules

lib/api/v3/queries/queries_api.rb

@@ -12,8 +12,8 @@ module API
 
             before do
               @query = Query.find(params[:id])
-              model = QueryModel.new(query: @query)
+              model = ::API::V3::Queries::QueryModel.new(query: @query)
-              @representer =  QueryRepresenter.new(model)
+              @representer =  ::API::V3::Queries::QueryRepresenter.new(model)
             end
 
             helpers do

lib/api/v3/work_packages/work_packages_api.rb

@@ -12,8 +12,8 @@ module API
 
             before do
               @work_package = WorkPackage.find(params[:id])
-              model = WorkPackageModel.new(work_package: @work_package)
+              model = ::API::V3::WorkPackages::WorkPackageModel.new(work_package: @work_package)
-              @representer =  WorkPackageRepresenter.new(model, :activities, :users)
+              @representer =  ::API::V3::WorkPackages::WorkPackageRepresenter.new(model, :activities, :users)
             end
 
             get do