Implements recently closed editors opening at same position as they were closed.

[skl131313]

Implements #9459

[msftclas]

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[coveralls]

Coverage increased (+0.001%) to 60.988% when pulling 5b14c98 on sprinkle131313:master into de17784 on Microsoft:master.

[bpasero]

@sprinkle131313 well done. only little feedback I have is to update the tests when adding properties to the events, I did that via f9457a9