edges in analysis network; handdling of node labels, replacing by chosen identifier if unset instead of netexId; handling of multiple ensg numbers for same node missing

fix dashed legend when colored background; node analysis style half fixed; default nodes style huge somehwoe

node styles, handle seed node styles and different user inputs properly, complement user inouts where necessary; using deep copy where necessary to fix missing style updates; load expression information and use opacity to display it to also affect images; toggle drug view in explorer network

display drugs and nodes in analysis network; display custom nodes like patients; TODO: node type is not passed on from group AND node style in analysis is not loaded correctly, falls back to default.+

unpack changes analysis result which contain input network; save complete configuration in backend in order to restore configuration when revisiting the page