fix(env): check vpx shim in vp env doctor#876

fengmk2 merged 3 commits intovoidzero-dev:mainvoidzero-dev/vite-plus:mainfrom

MahmoodKhalil57:fix/doctor-missing-vpx-shimMahmoodKhalil57/vite-plus:fix/doctor-missing-vpx-shimCopy head branch name to clipboard