Issue Video:
https://youtu.be/PtYy8V2AUhs

• VSCode Version: 1.36.1
• OS Version: Ubuntu 18.04.2 LTS

Steps to Reproduce:

1. Create a long markdown file (such that you have to scroll to bottom) in the bottom add a link to some other markdown file.
2. Now simply preview your first md file and click on the link. The scroll bar position remains the same, I tried using [Link] (othermarkdown.md) as well as [Link] (othermarkdown.md#) but it didn't worked. Infact for some reason if I use #some-valid-heading as link it works but it doesn't work for headers in other files.

Does this issue occur when all extensions are disabled?: Yes