fix(frontend): Use port 443 as default to connect to flagd if https is in use#1609

puckpuck merged 3 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-demo:mainfrom

SvenKirschbaum:fix-default-frontend-flagd-portSvenKirschbaum/opentelemetry-demo:fix-default-frontend-flagd-portCopy head branch name to clipboard