Handle events of type "m.room.server_acl"

[bmarty]

As does Riot-Web in element-hq/element-web#6987:

For https://matrix.to/#/!AZozoWghOYSIAfaZjJ:matrix.org/$LroHPrTSjPIPOv3QUJEQ8MRlUvtb89ppf0G9qvCBH2k?via=matrix.org&via=privacytools.io&via=chat.weho.st

Source of the events:

{
  "content": {
    "allow": [
      "*"
    ],
    "allow_ip_literals": false,
    "deny": [
      "calamari.space",
      "riot.firechicken.net",
      "*.200acres.org",
      "*.glowers.club",
      "*.gossip.love",
      "*.matrix.kiwifarms.net",
      "*.nerdsin.space",
      "*.ordoevangelistarum.com",
      "*.zemos.net",
      "200acres.org",
      "ardaxi.com",
      "c-24-11-108-182.hsd1.ut.comcast.net",
      "glowers.club",
      "gossip.love",
      "matrix.kiwifarms.net",
      "nerdsin.space",
      "ordoevangelistarum.com",
      "zemos.net"
    ]
  },
  "origin_server_ts": 1579734353825,
  "sender": "@abuse:matrix.org",
  "state_key": "",
  "type": "m.room.server_acl",
  "unsigned": {
    "replaces_state": "$f4XdS3RUkHlHZlSJqsv0FyRGZnYJTJRZa40t49aEiNc",
    "prev_content": {
      "allow": [
        "*"
      ],
      "allow_ip_literals": false,
      "deny": [
        "calamari.space",
        "*.200acres.org",
        "*.glowers.club",
        "*.gossip.love",
        "*.matrix.kiwifarms.net",
        "*.nerdsin.space",
        "*.ordoevangelistarum.com",
        "*.zemos.net",
        "200acres.org",
        "ardaxi.com",
        "c-24-11-108-182.hsd1.ut.comcast.net",
        "glowers.club",
        "gossip.love",
        "matrix.kiwifarms.net",
        "nerdsin.space",
        "ordoevangelistarum.com",
        "zemos.net"
      ]
    },
    "prev_sender": "@abuse:matrix.org",
    "age": 35326821
  },
  "event_id": "$LroHPrTSjPIPOv3QUJEQ8MRlUvtb89ppf0G9qvCBH2k",
  "room_id": "!AZozoWghOYSIAfaZjJ:matrix.org"
}

{
  "content": {
    "allow": [
      "*"
    ],
    "allow_ip_literals": false,
    "deny": [
      "calamari.space",
      "*.200acres.org",
      "*.glowers.club",
      "*.gossip.love",
      "*.matrix.kiwifarms.net",
      "*.nerdsin.space",
      "*.ordoevangelistarum.com",
      "*.zemos.net",
      "200acres.org",
      "ardaxi.com",
      "c-24-11-108-182.hsd1.ut.comcast.net",
      "glowers.club",
      "gossip.love",
      "matrix.kiwifarms.net",
      "nerdsin.space",
      "ordoevangelistarum.com",
      "zemos.net"
    ]
  },
  "origin_server_ts": 1579737103662,
  "sender": "@abuse:matrix.org",
  "state_key": "",
  "type": "m.room.server_acl",
  "unsigned": {
    "replaces_state": "$LroHPrTSjPIPOv3QUJEQ8MRlUvtb89ppf0G9qvCBH2k",
    "prev_content": {
      "allow": [
        "*"
      ],
      "allow_ip_literals": false,
      "deny": [
        "calamari.space",
        "riot.firechicken.net",
        "*.200acres.org",
        "*.glowers.club",
        "*.gossip.love",
        "*.matrix.kiwifarms.net",
        "*.nerdsin.space",
        "*.ordoevangelistarum.com",
        "*.zemos.net",
        "200acres.org",
        "ardaxi.com",
        "c-24-11-108-182.hsd1.ut.comcast.net",
        "glowers.club",
        "gossip.love",
        "matrix.kiwifarms.net",
        "nerdsin.space",
        "ordoevangelistarum.com",
        "zemos.net"
      ]
    },
    "prev_sender": "@abuse:matrix.org",
    "age": 32576984
  },
  "event_id": "$L00p9dPvyDYNUtFrGkhYI0_7z_1JUCW-NhY3n38O8Bw",
  "room_id": "!AZozoWghOYSIAfaZjJ:matrix.org"
}

[bmarty]

This is we get now, in developer mode (commit has been push on develop by mistake, so no PR, sorry)

In normal mode, we just have the mention of set or update (iso Element Web)