fix: token balance decimal formatting based on integer (#88)

* fix: token balance decimal formatting based on integer

* fix: improve token balance formatting to handle zero values

Author: AzimovS

packages/nextjs/components/address-vision/TokensTable.tsx

@@ -12,15 +12,16 @@ export const TokensTable = ({ tokens }: { tokens: Token[] }) => {
     const divisor = BigInt(Math.pow(10, decimals));
     const integerPart = balanceBigInt / divisor;
     const fractionalPart = balanceBigInt % divisor;
-    const formattedFractionalPart = fractionalPart.toString().padStart(decimals, "0").slice(0, 2);
+    const decimalDigits = integerPart === 0n ? 6 : integerPart < 10n ? 4 : 2;
+    const formattedFractionalPart = fractionalPart.toString().padStart(decimals, "0").slice(0, decimalDigits);
 
     const integerPartStr = integerPart.toString();
 
     if (integerPartStr.length > 10) {
       return `${integerPartStr.slice(0, 10)}...`;
-    } else {
-      return `${integerPartStr}.${formattedFractionalPart}`;
     }
+    const formatted = `${integerPartStr}.${formattedFractionalPart}`;
+    return formatted === "0.000000" ? "0" : formatted;
   };
 
   if (tokens.length === 0) {