URL icon for markdown

### Problem I have

I can't press on link if it under emoji, if I do left click, it opens zoomed emoji, I can open link directly if only I press on scroll wheel. (tested on GoToSocial)

### Solution I'd like

Like in [Masto-FE](https://codeberg.org/superseriousbusiness/masto-fe-standalone)

### Alternatives considered

Or, for example. leave zoom as is, but make clickable ⛓️‍💥 (or something like this) on right from emoji

### Other

_No response_

Start by reproducing the markdown link-over-emoji behavior described in the issue, then compare the requested interaction with the linked Masto-FE example. Identify the Phanpy frontend entry point that renders markdown and emoji links; done means the URL can be clicked without preventing the existing emoji zoom behavior, with any added icon also clickable.

Written by the indexing model from the issue text.