typeString leave Shift key pressed

[s1hofmann]

Version
2.0.0

Short overview
typeString toggles Shift key

Detailed error description
When typing a string via typeString method the Shift key is constantly pressed and not released, no matter whether it has been actually pressed or not. Key will be released as soon as manual input follows.

Steps to reproduce error
On a Windows system this behaviour can be verified by opening the virtual keyboard and running this snippet:

const libnut = require(".");

libnut.keyTap("a");
libnut.keyToggle("b", "down");
libnut.keyToggle("b", "up");
libnut.typeString("THIS is A test")

Additional content

Please provide any (mandatory) additional data to reproduce the error (Dockerfiles etc.)