fix(v7/tracing-internal): Fix case when lrp keys offset is 0#14615

AbhiPrasad merged 2 commits intogetsentry:v7getsentry/sentry-javascript:v7from

LubomirIgonda1:fix-express-route-paramsLubomirIgonda1/sentry-javascript:fix-express-route-paramsCopy head branch name to clipboard