Fix TypeScript compilation error in AdminAuthGuard service#1

Rakesh161rausahn with Copilot wants to merge 2 commits into

mainRakesh161rausahn/Angular-Spring-boot-Hospital-Management-System:mainfrom

copilot/fix-c5e0e3cb-52e1-40e9-bab8-42969cc50295Rakesh161rausahn/Angular-Spring-boot-Hospital-Management-System:copilot/fix-c5e0e3cb-52e1-40e9-bab8-42969cc50295Copy head branch name to clipboard