Manually copying code from the Code snippet adds the line numbers when pasting the code

Issue Summary

Manually copying code from the Code snippet adds the line numbers when pasting the code

This is reproducible on Data Center: N/A

Steps to Reproduce

1. Add a page
2. Add the code snippet macro
3. Add at least 2 lines of code
4. Publish the page
5. Select the text from the code snippet and copy it, either using the Context Menu > Copy or using the keyboard(Command + C or Control + C)
6. Paste the code

Expected Results

• Only the code you selected is pasted

Actual Results

• The code and line numbers from the code snippet are pasted too

Workaround

• Use the Copy button from the code snippet