Open sourcepage when saving archival source

[janvanroestel]

While saving a new archival source; opening the source page requires doing a new ra,dec search.

Feature Summary
While saving a new archival source; opening the source page requires doing a new ra,dec search. This takes multiple steps; while in almost all cases the users wants to go to the source page immediately while saving a new source

Usage / behavior
add a 'Save and go to source page' page button when saving a new source from the archive

Alternative Solutions
Either add a new button; or change the current behaviour to default to 'save and go to source page'