Fix Pezkuwi chain ordering and logos

- Remove 0x prefix from Pezkuwi chainIds to match ChainGeneses constants
- Update chain icons to use pezkuwi-wallet-utils URLs
- Pezkuwi, Asset Hub, People now sorted correctly (0, 1, 2)

pezkuwi-config/chains.json

@@ -1,8 +1,8 @@
 [
   {
-    "chainId": "0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3",
+    "chainId": "f648cb6f70ebce04b0234c92d3ce08f1064f596a014c2d7005c53c1292eb8ed5",
     "name": "Pezkuwi",
-    "icon": "https://pezkuwichain.io/pezkuwichain_logo.png",
+    "icon": "https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/master/icons/chains/Pezkuwi.png",
     "addressPrefix": 42,
     "options": [
       "governance-v2",
@@ -58,10 +58,10 @@
     }
   },
   {
-    "chainId": "0x68d56f15f85d3136970ec16946040bc1752654e906147f7e43e9d539d7c3de2f",
-    "parentId": "0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3",
+    "chainId": "b40985810ab834baaa6a2de423e299d73c675bee874c73a715309996b08828cc",
+    "parentId": "f648cb6f70ebce04b0234c92d3ce08f1064f596a014c2d7005c53c1292eb8ed5",
     "name": "Pezkuwi Asset Hub",
-    "icon": "https://pezkuwichain.io/pezkuwichain_logo.png",
+    "icon": "https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/master/icons/chains/PezkuwiAssetHub.png",
     "addressPrefix": 42,
     "options": [
       "swap-hub",
@@ -137,10 +137,10 @@
     }
   },
   {
-    "chainId": "0x67fa177a097bfa18f77ea95e1d5918b4d05cba7813f32e9ef6c4f9a2a6e60b09",
-    "parentId": "0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3",
+    "chainId": "3d766dd2530ffb9b530d797c76732ed0b38f2a78f89f75a5c6f0e9232a0bd268",
+    "parentId": "f648cb6f70ebce04b0234c92d3ce08f1064f596a014c2d7005c53c1292eb8ed5",
     "name": "Pezkuwi People",
-    "icon": "https://pezkuwichain.io/pezkuwichain_logo.png",
+    "icon": "https://raw.githubusercontent.com/pezkuwichain/pezkuwi-wallet-utils/master/icons/chains/PezkuwiPeople.png",
     "addressPrefix": 42,
     "options": [
       "proxy",