As a shop owner, when I refund a donation, the total donation amount remains unchanged

[jimmyedagawa78]

Is your feature request related to a problem? Please describe.
As a shop owner, when I refund a donation, the refund is not reflected in the total donation amount on the dashboard (the total donation amount remains unchanged after a refund).

Untitled.video.-.Made.with.Clipchamp.4.mp4

Describe the solution you'd like
I'd like to see the total donation amount decrease when I refund a donation.

Additional context
This is in context to donations in shops.

Refund data location
Database column name: transaction.external_refund_id
https://github.com/Subscribie/subscribie/blob/1f9f6ee34c813a0a56fbb68ee0ec47ea226c4939/subscribie/blueprints/admin/init.py#L399

To reproduce this:
Step 1: Refund a Donation from the Dashboard.
Step 2: Check the Total Donation Amount in Shop's dashboard.

[github-actions]

🚀 Issue was released in v0.1.181 🚀