This is a bit more involved than just editing a line in the template since afaik the embeds also allow for some styling, so we'd need to make a second HTML conversion thing specific to the activity format, and add heuristics to avoid rendering posts with the supported subset of formatting options.
This is a bit more involved than just editing a line in the template since afaik the embeds also allow for some styling, so we'd need to make a second HTML conversion thing specific to the activity format, and add heuristics to avoid rendering posts with the supported subset of formatting options.