Brief summary of issue / Description of requested feature:

Give users time to actually edit triggers before mentioning problems

Steps to reproduce the issue / Reasons for adding feature:

1. Open trigger editor. Click button to create a new trigger (or group)
2. New trigger is visible and can be edited as expected
3. Not expected notification at the top says "No patterns defined"

Error output / Expected result of feature

3. Mudlet should let users edit first and only later check if patterns were actually entered

Extra information, such as Mudlet version, operating system and ideas for how to solve / implement:

Mudlet 3.21 on Win10