fix: display tx prefix while showing transaction

[SgtPooki]

from slack request: https://filecoinproject.slack.com/archives/C095WFA0QK1/p1762441885812609

screenshot generated via #95

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[SgtPooki]

Note, this may not be necessary if we add the correct header.. I can take that on, but moving to draft for now, but I can take on adding header if thats what we want.

see https://filecoinproject.slack.com/archives/C095WFA0QK1/p1762521829867939?thread_ts=1762441885.812609&cid=C095WFA0QK1 for context

on Figma we have this which I think is a bit more straightforward since it says "transaction hash" instead of "tx". But since the audience is technical people already very familiar with all of this, I don't think using "tx" will be a problem. And visually is good!