[openstreetmap/openstreetmap-website] Indicate when a changrset comment is added by a moderator. (Issue #4869)

[InsertUser]

### Problem

After vandalism it is common for DWG members to comment on the malicious changeset to indicate that it has been dealt with ([example](https://www.openstreetmap.org/changeset/151429582)). While the DWG accounts themselves are marked with a star to indicate that they are moderators, their comments are not so you have to click through to the username to check that these aren't [impersonators](https://community.openstreetmap.org/t/dwg-username-impersonation/101212). 

This means that for anyone reviewing local changesets there is an extra step to check that vandalism has been dealt with. While I don't know of anyone putting disinformation in the changeset comments to help keep vandalism around longer, I have seen vandalism [submitted](https://www.openstreetmap.org/changeset/151429639) with a `comment=` tag that made it look like it was fixing rather than introducing vandalism so it seems like someone might try it at some point. 

### Description

Add an indication that a comment is made by a moderator to the comment heading. I think this would probably be best displayed after the "date" so that it's not possible to tack something to the end of a username to make it look like a moderator when it isn't.

For the example changeset above: 
> <small> Comment from <a href="/user/SomeoneElse_Revert">SomeoneElse_Revert</a> <time title="16 May 2024 at 22:50" datetime="2024-05-16T22:50:42Z">17 days ago</time>  </small>

Would become:
> <small> Comment from <a href="/user/SomeoneElse_Revert">SomeoneElse_Revert</a> <time title="16 May 2024 at 22:50" datetime="2024-05-16T22:50:42Z">17 days ago</time> ⭐ </small>

or

> <small> Comment from <a href="/user/SomeoneElse_Revert">SomeoneElse_Revert</a> <time title="16 May 2024 at 22:50" datetime="2024-05-16T22:50:42Z">17 days ago</time> (moderator)  </small>


### Screenshots

_No response_

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