Create element associated with an other element to share bay

[benoitflo]

Describe the current behavior

New feature

Describe the expected behavior

Allow the creation of an injection or a branch element and connect it to a existing bay.
The bay can be identified through the element ID.
This connection could be made through a switch (real or fictitious) or directly.

Example with a three switches. But could also be imagined by ignoring any of those switches.

One bay could host multiple element at the same level or even at different level (optional).

Describe the motivation

Case : join customer wind farm and customer load in the same bay

Extra Information

No response