fix[lang]: fix exception for duplicate builtin imports

[Sporarum]

What I did

Fix #4603

How I did it

Add new dict which keeps track on built-ins
It might be possible to do it with self.graph, but I don't know enough about it yet

How to verify it

Commit message

Description for the changelog

Fix error message when built-in modules are imported more than once

Cute Animal Picture

[Sporarum]

Fixes #4603

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.23%. Comparing base (699b1ec) to head (46be18d).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4764   +/-   ##
=======================================
  Coverage   93.23%   93.23%           
=======================================
  Files         137      137           
  Lines       19452    19452           
  Branches     3354     3354           
=======================================
  Hits        18136    18136           
  Misses        893      893           
  Partials      423      423           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.