### What changes were proposed in this pull request?
The pr aims to make code block `copyable `in pyspark docs.

### Why are the changes needed?
Improving the usability of PySpark documents.

### Does this PR introduce _any_ user-facing change?
Yes, users will be able to easily copy code block in pyspark docs.

### How was this patch tested?
- Manually test.
- Pass GA.

### Was this patch authored or co-authored using generative AI tooling?
No.

Closes #43799 from panbingkun/SPARK-45764.

Authored-by: panbingkun <pbk1982@gmail.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>