feat: add Reactive Network Lasna testnet + update icon to retrieveable CID (#7858)

Co-authored-by: Frederik Bolding <frederik.bolding@gmail.com>

Author: daniil-parsiq

_data/chains/eip155-5318007.json

@@ -0,0 +1,27 @@
+{
+  "name": "Reactive Lasna",
+  "title": "Reactive Network Testnet Lasna",
+  "chain": "REACT",
+  "rpc": ["https://lasna-rpc.rnk.dev"],
+  "features": [{ "name": "EIP155" }, { "name": "EIP1559" }],
+  "faucets": [
+    "https://dev.reactive.network/reactive-mainnet#get-testnet-react"
+  ],
+  "nativeCurrency": {
+    "name": "Lasna React",
+    "symbol": "lREACT",
+    "decimals": 18
+  },
+  "infoURL": "https://reactive.network",
+  "shortName": "lreact",
+  "icon": "reactive",
+  "chainId": 5318007,
+  "networkId": 5318007,
+  "explorers": [
+    {
+      "name": "Reactscan",
+      "url": "https://lasna.reactscan.net",
+      "standard": "none"
+    }
+  ]
+}

_data/icons/reactive.json

@@ -1,6 +1,6 @@
 [
   {
-    "url": "ipfs://bafkreih2sitkbspgnboiwga7k4zwz22h4u3qqpswxdr3miqtdwuovw2cte",
+    "url": "ipfs://QmaBqYemL6VG5kDEMZqtJZhh6kLn3XqMyxkDpChkPttJ6B",
     "width": 320,
     "height": 320,
     "format": "png"