[Task] Move the "Retroactive" indicator inline with the transaction

[canalesb93]

Type: Task

The spacing looks kind of weird with the retroactive label on the top right of the row. Instead, let's move it inline, maybe show it in the subtitle of the transaction. For the rules details page.

Screenshot

Context

Field	Value
Page	/rules/f88603f3-cd43-4193-afe8-8384a7bacb4d
Viewport	1680×958
Theme	light
App version	2d60950
Browser	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
Filed at	2026-06-24T06:20:31.703Z

🔎 HTML snapshot — the rendered page at capture time.

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