Add an entry-point to view ACR build image error logs in the activity log

[MicroFish91]

Requires a couple updates to the Azure Tools shared package first, will provide links soon.

Review Notes:

• The bulk of the implementation you'll want to inspect is shown in BuildImageStep.ts
• Less important, but also worth inspecting - openAcrBuildLogs.ts
• Rest is just reconfiguring imports and scaffolding the new command

Closes #570

Adds ability to display additional nested children, see new logs item support shown below:

Clicking the logs item will open up the logs like so:

[MicroFish91]

Shared package upgraded and incorporated, ready for review! :)
(most of the line changes registered are from the package-lock)

[nturinski]

Just small nits, rest looks good.