Fix Base58 handling of strings with only null characters

tests/operations/tests/Base58.mjs

@@ -53,6 +53,28 @@ TestRegister.addTests([
             },
         ],
     },
+    {
+        name: "To Base58 all null",
+        input: "\0\0\0\0\0\0",
+        expectedOutput: "111111",
+        recipeConfig: [
+            {
+                op: "To Base58",
+                args: ["123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"],
+            },
+        ],
+    },
+    {
+        name: "From Base58 all null",
+        input: "111111",
+        expectedOutput: "\0\0\0\0\0\0",
+        recipeConfig: [
+            {
+                op: "From Base58",
+                args: ["123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"],
+            },
+        ],
+    },
     {
         name: "To Base58 with null prefix and suffix",
         input: "\0\0\0Hello\0\0\0",