VideoPress: fix legacy admin crash on video upload/delete (base-ui ref-merge)#49340

CGastrell merged 2 commits into

trunkAutomattic/jetpack:trunkfrom

fix/vidp-245-videopress-upgradetrigger-base-ui-crashAutomattic/jetpack:fix/vidp-245-videopress-upgradetrigger-base-ui-crashCopy head branch name to clipboard