Fix: Implement dark mode toggle in Navbar#2413

JASWITHA-ATHIPATLA wants to merge 1 commit intoDeepSourceCorp:masterDeepSourceCorp/good-first-issue:masterfrom

JASWITHA-ATHIPATLA:fix-darkmode-toggleJASWITHA-ATHIPATLA/good-first-issue:fix-darkmode-toggleCopy head branch name to clipboard