Insert open paren after dotting off a close paren

[alrz]

e as T)?<caret>

->

(e as T)?.<caret>

[Pilchie]

I wonder what the parse tree looks like here, and how feasible it would be to detect...

[CyrusNajmabadi]

We would take a small pr here.

[alrz]

Any chance IntelliCode could cover this? Currently it only suggests a continuation, could it possibly suggest an edit? Filed at https://developercommunity.visualstudio.com/t/Extend-IntelliCode-autocompletion-to-sup/10730689