Fix Label image.base.digest when base image is specified in Dockerfile FROM with digest instead of tag#442

v-dko wants to merge 2 commits intomicrosoft:mainmicrosoft/azure-pipelines-tasks-common-packages:mainfrom

v-dko:users/v-dko/dockerimagepathfromfilev-dko/azure-pipelines-tasks-common-packages:users/v-dko/dockerimagepathfromfileCopy head branch name to clipboard