Fix parts of computed source getting incorrect name

[christoph-blessing]

• Allow direct inserts into computed tables
• Test if part of computed gets correctly named
• Fix part of computed getting incorrect name
• Refactor functional tests to use actors

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (84ac630) 98.71% compared to head (74df031) 98.71%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #47   +/-   ##
=======================================
  Coverage   98.71%   98.71%           
=======================================
  Files          23       23           
  Lines         780      780           
  Branches       95       95           
=======================================
  Hits          770      770           
  Misses          4        4           
  Partials        6        6           

Files	Coverage Δ
link/infrastructure/factory.py	89.47% <100.00%> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.