fix: move TRX ahead of BTC/ETH/BNB in default token order, drop UNI's pin

New order per product spec: Pezkuwi ecosystem, DOT, KSM, USDC, TRX, BTC,
ETH, BNB, AVAX, LINK, TAO, then everything else alphabetically. UNI no
longer gets an explicit slot - it now falls into the same alphabetical
bucket as any other unlisted symbol.

runtime/src/main/java/io/novafoundation/nova/runtime/ext/TokenSorting.kt

@@ -10,15 +10,14 @@ val TokenSymbol.mainTokensFirstAscendingOrder
         "DOT" -> 3
         "KSM" -> 4
         "USDC" -> 5
-        "BTC" -> 6
-        "ETH" -> 7
-        "BNB" -> 8
-        "TRX" -> 9
+        "TRX" -> 6
+        "BTC" -> 7
+        "ETH" -> 8
+        "BNB" -> 9
         "AVAX" -> 10
         "LINK" -> 11
-        "UNI" -> 12
-        "TAO" -> 13
-        else -> 14
+        "TAO" -> 12
+        else -> 13
     }
 
 val TokenSymbol.alphabeticalOrder