contextually invalid atx is stored in the state and used for consensus

[dshulyak]

there are plenty of logs like

2024-03-13T10:19:12.695+0100	WARN	node.atxHandler	atx failed contextual validation	{"sessionId": "e5aa86a0", "atx_id": "d0463ea83cdb0972a3fb9f9ad06c5c197a6a688d02cc575ebe1d123cf5d9b8e2", "smesher": "27ddd733fe3b2299633eb78576fc2b294aca2457d7b8b01b6d2f9cfa33129c91", "errmsg": "last atx is not the one referenced", "name": "atxHandler"}
2024-03-13T10:19:12.734+0100	WARN	node.atxHandler	atx failed contextual validation	{"sessionId": "e5aa86a0", "atx_id": "0d87313d13a71c44b860cad960da8ec1268dafabf2a23dc792e9676d44943fc8", "smesher": "04163ae9d30c94beedf6331f7dea245654537dde879867908e6e0469d1786ebd", "errmsg": "last atx is not the one referenced", "name": "atxHandler"}
2024-03-13T10:19:12.845+0100	WARN	node.atxHandler	atx failed contextual validation	{"sessionId": "e5aa86a0", "atx_id": "b48940a10536ad46e7ee51082ee8c93094ebbd48c8e42e3e87d4bcb6b26d4c89", "smesher": "25fdff97f4f5a04662293b852871607afdf7ef3c78d9c0e193c1861d3b600dd2", "errmsg": "no prev atx reported, but other atx with same node id (25fdff97f4f5a04662293b852871607afdf7ef3c78d9c0e193c1861d3b600dd2) found: 1a53b2994e", "name": "atxHandler"}

however such atxs are not marked as contextually invalid, and ballots from those atxs will be normally counted, and proposals will be rewarded. this seems like an oversight in the validation.