You can query them and on sets, you can change the images. Note that
sets are value types, so getting an image set in Lua will always refer
to a copy, not a reference.
Images are special, because plugin authors can specify a URL that
Chatterino will load if the image is shown. While the plugin can't see
the response, it still causes Chatterino to issue a request, so
_creating_ images will require the network permission.
Tested-by: Mm2PL <mm2pl+gh@kotmisia.pl>
Tested-by: pajlada <rasmus.karlsson@pajlada.com>
Reviewed-by: Mm2PL <mm2pl+gh@kotmisia.pl>
Reviewed-by: pajlada <rasmus.karlsson@pajlada.com>
