When the canvas is rotated, brushes with rotation linked to drawing angle do not work correctly. Each brush tip is rendered rotated more than it should be, in the opposite way and the same amount of the canvas rotation. It may occur when using other sensors e.g. stylus ascension (which I can't test with my bamboo tablet).

Reproducible: Always

Steps to Reproduce:
1. Start Krita and create/open a document.
2. Create a brush. Link the rotation to drawing angle.
3. Rotate the canvas and make a brush stroke.
Actual Results:  
Brush tips are rotated undesirably.

Expected Results:  
Brush tips follow the direction of the stroke regardless of the canvas rotation.