Function stringToHexBytes

stringToHexBytes(str: string): ByteArray
Converts a hexadecimal string (optionally with angle brackets) to a byte array. Strips any surrounding angle brackets before conversion.
Parameters
- str: string
  The hexadecimal string to convert, optionally wrapped in angle brackets.
Returns ByteArray
A byte array with the decoded values.
Example
```
stringToHexBytes('<FF00>') // Returns Uint8Array([255, 0])
stringToHexBytes('FF00') // Also returns Uint8Array([255, 0])
```
- Defined in packages/pdf-lite/src/utils/stringToHexBytes.ts:16