[Fix-5510]: the scheduler list-page interface, projectName -> projectCode, processDefinitionId -> processDefinitionCode (#5771)

* fix: createSchedule interface, process definition id -> process definition code

* fix: add junit

* fix junit

* fix: projectName -> projectCode

* fix UT

* Optimize variable type

* fix: the updateSchedule interface, projectName -> projectCode

* fix comment

* fix: The scheduler online/offline interface, projectName -> projectCode

* fix UT

* fix: the scheduler list-page interface, projectName -> projectCode, processDefinitionId -> processDefinitionCode

* add UT
Co-authored-by: Nwen-hemin <wenhemin@apache.com>