How can I set moving file with drag&drop by default instead of making file shortcut?

Every time I was moving files with drag&drop. (ex. drag png file from random folder not located at desktop and drop it to the desktop)

Since today, when I drag files from folder, only file shortcut is created on the desktop.

I found out, that to move a file I have to hold command key. But earlier I have never had to.

Is it possible that I somehow accidentally changed default setting? How can I set that when I drag and drop files it moves them by default instead of making file shortcut or holding command key?