Add a default swipe gesture to archive/delete message

Summary

Swipe actions are available in /e/OS Message but the default setting of these actions should be changed.

Description

What is the current behavior?

Default swipe actions are set as follow:

• right swipe: archive
• left swipe: archive

What is the improved behavior?

Default swipe actions are set as follow:

• right swipe: delete
• left swipe: archive

What does it bring?

More intuitive usage of the swipe actions and consistency with /e/OS Mail (cf. #844 (closed))

Mock-ups

Examples

Validation