Calls the update of the graph's units and range data of a variable have been loaded

Merge branch 'feature/CatalogueCatalogue' of https://perrinel@hephaistos.lpp.polytechnique.fr/rhodecode/GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork into feature/CatalogueCatalogue Conflicts: core/src/Catalogue/CatalogueController.cpp

Merge branch 'feature/CatalogueGuiPart5' into develop

Link with selection zone on event creation

Link between selection zone item and event

refactoring + fix created graph range

Remove old graph from selected zones

Activate graph mode + create variable in selected zone # Conflicts: # gui/src/Catalogue/CatalogueEventsWidget.cpp

Fix Y range when displaying a uninitialized var in a graph

Creates graph when dropping a product in the visu