What kind of change does this PR introduce?
It removes a voltage level filter from pypowsybl network-area-diagram related code. This filter is now integrated in the powsybl-diagram code.
It also adapts values received from pypowsybl users (who set -1 values for the bounds they do not use) to fit the Java code.
Does this PR introduce a breaking change or deprecate an API?
No
Please check if the PR fulfills these requirements
Does this PR already have an issue describing the problem? No but it is the twin of https://github.com/powsybl/powsybl-diagram/pull/566
What kind of change does this PR introduce? It removes a voltage level filter from pypowsybl network-area-diagram related code. This filter is now integrated in the powsybl-diagram code. It also adapts values received from pypowsybl users (who set -1 values for the bounds they do not use) to fit the Java code.
Does this PR introduce a breaking change or deprecate an API? No