don't bother with expected-message-count bullshit

[Tenari]

just send the first 50 messages

%add-ship-to-chat response format when peers-get-backlog is false

{
    "messages": [],
    "path": {
        "received-at": 1697817833481,
        "metadata": {
            "image": "",
            "title": "no-backlog",
            "description": "",
            "timestamp": "1697817647839",
            "creator": "~zod",
            "reactions": "true"
        },
        "invites": "open",
        "updated-at": 1697817657537,
        "max-expires-at-duration": 0,
        "pins": [],
        "peers-get-backlog": false,
        "nft": null,
        "created-at": 1697817647843,
        "path": "/realm-chat/0v1.jaobb.dscji.k9tl5.leun1.a7jcr",
        "type": "group"
    }
}

%add-ship-to-chat response format when peers-get-backlog is true

{
    "messages": [
        {
            "received-at": 1697816611508,
            "metadata": {},
            "reply-to": null,
            "updated-at": 1697816611236,
            "msg-part-id": 0,
            "created-at": 1697816611236,
            "path": "/realm-chat/0v5.gesrf.tru0r.tnqbd.1vul5.oduru",
            "content-data": "~bus joined the chat",
            "expires-at": null,
            "sender": "~bus",
            "content-type": "status",
            "msg-id": "/~2023.10.20..15.43.31..3c82/~bus"
        },
        {
            "received-at": 1697816515041,
            "metadata": {},
            "reply-to": null,
            "updated-at": 1697816515041,
            "msg-part-id": 0,
            "created-at": 1697816515041,
            "path": "/realm-chat/0v5.gesrf.tru0r.tnqbd.1vul5.oduru",
            "content-data": "msg3",
            "expires-at": null,
            "sender": "~zod",
            "content-type": "plain",
            "msg-id": "/~2023.10.20..15.41.55..0a95/~zod"
        },
        {
            "received-at": 1697816512639,
            "metadata": {},
            "reply-to": null,
            "updated-at": 1697816512639,
            "msg-part-id": 0,
            "created-at": 1697816512639,
            "path": "/realm-chat/0v5.gesrf.tru0r.tnqbd.1vul5.oduru",
            "content-data": "fuck you",
            "expires-at": null,
            "sender": "~zod",
            "content-type": "plain",
            "msg-id": "/~2023.10.20..15.41.52..a38e/~zod"
        },
        {
            "received-at": 1697816511219,
            "metadata": {},
            "reply-to": null,
            "updated-at": 1697816511219,
            "msg-part-id": 0,
            "created-at": 1697816511219,
            "path": "/realm-chat/0v5.gesrf.tru0r.tnqbd.1vul5.oduru",
            "content-data": "here's some bullshit",
            "expires-at": null,
            "sender": "~zod",
            "content-type": "plain",
            "msg-id": "/~2023.10.20..15.41.51..380f/~zod"
        },
        {
            "received-at": 1697816490181,
            "metadata": {},
            "reply-to": null,
            "updated-at": 1697816490181,
            "msg-part-id": 0,
            "created-at": 1697816490181,
            "path": "/realm-chat/0v5.gesrf.tru0r.tnqbd.1vul5.oduru",
            "content-data": "~zod added 2 peers",
            "expires-at": null,
            "sender": "~zod",
            "content-type": "status",
            "msg-id": "/~2023.10.20..15.41.30..2e54/~zod"
        }
    ],
    "path": {
        "received-at": 1697818326940,
        "metadata": {
            "image": "",
            "title": "create-backlog testing",
            "description": "",
            "timestamp": "1697816490178",
            "creator": "~zod",
            "reactions": "true"
        },
        "invites": "open",
        "updated-at": 1697816505072,
        "max-expires-at-duration": 0,
        "pins": [],
        "peers-get-backlog": true,
        "nft": null,
        "created-at": 1697816490181,
        "path": "/realm-chat/0v5.gesrf.tru0r.tnqbd.1vul5.oduru",
        "type": "group"
    }
}