Long values are truncated to int when copying and pasting using the property name context menu

How to reproduce:
1. Open the user’s attached “Serialized Field Test.zip” project
2. Select “Main Camera” GameObject
3. Move the cursor on “My Long” text in the “New Behaviour Script” component, then right-click and select “Copy”
4. Paste the text and observe it

Expected result: The pasted text is “9223372036854775807”
Actual result: The pasted text is “-1”

Reproducible with: 2021.3.28f1, 2022.3.4f1, 2023.1.2f1, 2023.2.0a21

Reproduced on: macOS 13.2.1 (Intel)

Note: Not reproducible if copying the text field