Bugfixes

• Fix a small memory leak when running execution
• Make the IP editable in the ArtNet window
• Fix a bug when closing a score with disconnected OSCQuery devices
• Fix bugs caused by switching between nodal and timeline view due to incoherent behaviour between different C++ standard libraries (https://stackoverflow.com/questions/69050714/observing-the-state-of-a-variant-during-construction)