Function decodeFromUTF16BE

decodeFromUTF16BE(bytes: ByteArray): string
Decodes a UTF-16BE byte array to a string

Assumes the byte array starts with UTF-16BE BOM (0xFE 0xFF) which is skipped. Each character is represented by 2 bytes (high byte, low byte).
Parameters
- bytes: ByteArray
  The byte array to decode (should start with BOM)
Returns string
The decoded string
Example
```
// Byte array with BOM: 0xFE, 0xFF, 0x00, 0x50, 0x00, 0x52 -> "PR"
decodeFromUTF16BE(new Uint8Array([0xFE, 0xFF, 0x00, 0x50, 0x00, 0x52]))
// Returns "PR"
```
- Defined in packages/pdf-lite/src/utils/decodeFromUTF16BE.ts:19