[Branch angular-11 | Library]: searchResearchResults.service.ts: [Bug fix] When parsing pids, concat an empty string (+"") to stringify them when they are considered numbers (bug when calling .replace).
[Branch angular-11 | Library]: searchResearchResults.service.ts: [Bug fix] When parsing pids, concat an empty string (+"") to stringify them when they are considered numbers (bug when calling .replace).