Comment representing copied source could not be picked up by SCANCODE

### Description

> During the scancode scan of package NPM::source-map-support:, the scancode couldn't pick up the presence of copy paste code mentioned in the file https://github.com/evanw/node-source-map-support/blob/7b5b81eb14c9ee6c6537398262bf7dab8580621c/source-map-support.js.

### How To Reproduce

> Download the source code from github : https://github.com/evanw/node-source-map-support/archive/7b5b81eb14c9ee6c6537398262bf7dab8580621c.zip .

scancode -clpeui --json-pp

### System configuration

> For bug reports, it really helps us to know:

* What OS are you running on? Windows
* What version of scancode-toolkit was used to generate the scan file?
* What installation method was used to install/run scancode? source download

Attached sample report for your consideration:

[sample.json](https://github.com/user-attachments/files/25034399/sample.json)