[v16.x backport] loader: return package format from defaultResolve if known#41752

dygabo wants to merge 3 commits intonodejs:v16.x-stagingnodejs/node:v16.x-stagingfrom

dynatrace-oss-contrib:backport-40980-to-v16.xdynatrace-oss-contrib/node:backport-40980-to-v16.xCopy head branch name to clipboard