edit sticker description

web/packs/matrix.json

-{"title": "matrix", "id": "matrix", "stickers": [{"body": "Logo of the Matrix protocol.", "url": "mxc://kif.rocks/rNIBUzuENhKlveLUSnfVSPuO", "info": {"w": 256, "h": 118, "size": 2679, "mimetype": "image/png", "thumbnail_url": "mxc://kif.rocks/rNIBUzuENhKlveLUSnfVSPuO", "thumbnail_info": {"w": 256, "h": 118, "size": 2679, "mimetype": "image/png"}}, "msgtype": "m.sticker", "id": "sha256:f5a231dab47068f6c11d43569b9de42e55b02602ff00ddd39afa2a4d9880d284"}]}
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+{"title": "matrix", "id": "matrix", "stickers": [{"body": "Logo of the Matrix protocol", "url": "mxc://kif.rocks/rNIBUzuENhKlveLUSnfVSPuO", "info": {"w": 256, "h": 118, "size": 2679, "mimetype": "image/png", "thumbnail_url": "mxc://kif.rocks/rNIBUzuENhKlveLUSnfVSPuO", "thumbnail_info": {"w": 256, "h": 118, "size": 2679, "mimetype": "image/png"}}, "msgtype": "m.sticker", "id": "sha256:f5a231dab47068f6c11d43569b9de42e55b02602ff00ddd39afa2a4d9880d284"}]}
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