I could see how much of an issue this is to people, but I think a better alternative would be to just not make emojis automatic anymore, and to make it more similar to the comments where emojis are surrounded by underscores. The reason that would be better is because this isn't the only issue with automatic emojis, so it would be knocking out multiple birds with one stone. Sometimes when I try to put a ;-; at the end of parenthesis, it's turn into (… ;-
or when I put a link or code, like you said it turns it to
I swear that suggestion exists, but I can't find it for the life of me.
[color=black] https:// [/color]
Sadly it will really stick out because you set the text as black, and the color of the text isn't black. Workaround: example
This one works better, example
As you can see, it uses the right color text, which is a purplish-grayish, and to use it just do [color=default].
It's also better because I think it works with people userstyles', for example if somebody is using a dark mode extension, the default text color gets turned into a white and then everything using [color=default] is a white, I think. I'm no expert, that's just what I can assume.