Yes it is a duplicate, sorry.
I was using the numeric keypad to type numbers. When I use the normal numbers above the qwerty keys, everything works fine.
I didn't notice the cursor being moved until I tried "1234" and get "1243" with the cursor moved as in 135195.

The text field in Space platform hub item request has the wrong behaviour. In MacOS, if a piece of text is selected, when you start typing, the selected text is replaced with what you type. The text field to request items in the Space Platform Hub behaves differently.

e.g. I had a request for 500 ...