Function convertUint8ArrayToArrayBuffer

convertUint8ArrayToArrayBuffer(uint8Array: Uint8Array): ArrayBuffer
Converts a Uint8Array to a clean ArrayBuffer. Ensures type safety with ArrayBuffer vs SharedArrayBuffer.
Parameters
- uint8Array: Uint8Array
  The Uint8Array to convert.
Returns ArrayBuffer
A proper ArrayBuffer slice.
Example
```
const pdfBytes = await pdfDoc.save();
  const arrayBuffer = convertUint8ArrayToArrayBuffer(pdfBytes);
```
- Defined in src/file/mwFile.ts:206