How to show the value of a certain field without using transclusion in main content?

I have a field named ‘sourceUrl’ which means the reference url of current tid. Some tids have this field some not. By default the field value is hidden. It is inconvenient to me, since the sourceUrl always have more details than my tid, I need go back to check them.

I already get this link which says you can use the transclude to make it:
https://tiddlywiki.narkive.com/7CRDnucv/tw-how-do-i-display-fields-and-values-of-the-tiddler-when-it-is-not-in-draft-mode

It indeed can show the field value in the tiddler, but it change the content of this tid, means when this tiddler is trascluded by others the sourceUrl still in there.

So how to make the field value shown without change the main content of this tid?

Create a tiddler, tagged with $:/tags/ViewTemplate, containing:

<$list filter="[<currentTiddler>has[sourceUrl]]">source: {{!!sourceUrl}}</$list>
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