Please check if the PR fulfills these requirements
[x] The commit message follows our guidelines
[x] Tests for the changes have been added (for bug fixes / features)
What kind of change does this PR introduce?
Feature
What is the current behavior?
The specific case of decorators on busbar sections is not taken into account.
What is the new behavior (if this is a feature change)?
The specific case of decorators on busbar sections is taken into account.
A bug regarding internal 2wt decorators is also fixed in this PR.
Does this PR introduce a breaking change or deprecate an API?
Please check if the PR fulfills these requirements
What kind of change does this PR introduce? Feature
What is the current behavior? The specific case of decorators on busbar sections is not taken into account.
What is the new behavior (if this is a feature change)? The specific case of decorators on busbar sections is taken into account. A bug regarding internal 2wt decorators is also fixed in this PR.
Does this PR introduce a breaking change or deprecate an API?