Surface build runner errors

[SuperAuguste]

Adds a cute lil popup message + a showDocument containing the error log! I wrote this late but I think the impl is sound and the UX is fine.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (d1ad449) 75.55% compared to head (ffdc3b8) 75.56%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1672   +/-   ##
=======================================
  Coverage   75.55%   75.56%           
=======================================
  Files          33       33           
  Lines        9067     9070    +3     
=======================================
+ Hits         6851     6854    +3     
  Misses       2216     2216           

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