I'm currently trying out Photoshop 2020 but having a problem using the patch, lasso and similar tools. The attached file shows a screenshot of what happens when I try to make a simple selection e.g. around a spot to clone out. Instead of just closing the loop when I release the mouse button, the selection is automatically extending out to a point far away (pointing towards the top left corner). Can anyone explain what's going on, and how I can get it to behave normally?