[🐛 Bug]: Extraction rule: unable to edit condition after saving

[syphernl]

Describe the bug
If you create an extraction rule with a condition, you cannot edit it afterwards because it does not show up in the edit view.

To Reproduce
Steps to reproduce the behavior:

1. Create extraction rule with condition (e.g. source.contains('grafana')
2. See in the overview that there is a condition
3. Click edit
4. No condition is shown

Expected behavior
Condition to be shown

Screenshots

Overview:

Edit view:

Additional context
Version: 0.46.1 | Build: 321e50