Double Text Insert in Actual Result (FireFox)

Description

When a user cut text from "Visual" mode to "Text" mode, it duplicates the text cut.

Pre-conditions

Use a Firefox Browser

How to reproduce

1. In a Test Execution, try to write some text in the "Actual Result" field in "Visual" mode.

2. Cut that text and try to paste it into "Text" mode

Gif replicating the issue:

Actual result/Attachments

It pastes two times what was copied

Expected result

Paste what was copied

Version

• 6.4.1-j9
• 7.1.1-j9