BUG: MD editor: link button stays selected

[SimoneZaza]

Describe the bug After inserting a link with the link button, I can not click this button for a link elsewhere in the text. It seems like it stays active or something like that:

To Reproduce Steps to reproduce the behavior:

1. Start writing a post
2. Highlight a couple of words and press the link button in the MD editor menu
3. Insert a link
4. Highlight another piece of text
5. Try to click the link button again
6. See error
7. Visit another browser tab
8. Go back to the alkemio tab
9. It works again

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

Areas that will be affected Optional, to be added by developer if relevant