Tristan/fix cloned plugin ids 1.2

Tristan Van Berkomrequested to merge
tristan/fix-cloned-plugin-ids-1.2 into bst-1.2

This fixes:

  • Plugins getting assigned invalid ID 0
  • Cloned sources failing to inherit their ID from the source they were cloned from

Fixes #1012 (closed)

Merge request reports