Store user state

[zzeekk]

As a user i would like to keep some settings when switching between pages of the UI, e.g.

• lineage horizontal vs vertical view (currently when close/open of lineage view it resets)
• lineage mode action, dataobject or combined (currently when close/open of lineage view it resets)
• lineage zoom (currently when close/open of lineage view it resets)
• ...