Moving the view while building a road builds additional road tile

[ceeac]

Steps to reproduce:

1. Select a road to build
2. Click and drag the mouse to get a build preview - do not release the mouse
3. Move the view using the arrow keys - do not move the mouse
4. Release the mouse to build the road

Expected behaviour:
Road preview is updated to the new world position when using the arrow keys

Actual behaviour:
Road is built according to the preview which is not updated. Additionally a single road tile is built at the position where the mouse is released.