When following a note link, open an existing view of the note if it exists

[asampal]

Only create a new note view if an existing view for the linked note doesn't exist. A new view should be opened only if the link is followed with a modifier, e.g. ctrl + click. In the example below, the link to Another note was followed from the note A note for today by clicking it. As shown, a new view for Another note was opened despite one already existing.

Windows 11, Unigraph 16d448f