PR: Add button to debugger plugin to go to editor

[impact27]

Description of Changes

Add a button to go to the currently debugged line if the editor was moved.

Affirmation

By submitting this Pull Request or typing my (user)name below, I affirm the Developer Certificate of Origin with respect to all commits and content included in this PR, and understand I am releasing the same under Spyder's MIT (Expat) license.

I certify the above statement is true and correct: impact27

[ccordoba12]

@impact27, please describe what this button does and post an animated gif to understand that.