fix: tag selector was inactive until tag filter was interacted with
fix: stepping forward or backward with arrow keys was ineffective and
triggered warnings
fix: the "edited" label was not added where expected on saving to file

Not sure why this is needed.

Implement issues 10 and 57

See merge request !21

Set of commits to be tagged v0.18.4

See merge request !19

Set of commits to be tagged v0.18.3

See merge request !18