Stop the auto display of info when an action is going on

[Khady]

Given this code in a buffer:

let a = 1

let () =
  print_int a

Steps to reproduce:

• move the cursor on print_int. It should display the type int -> unit in the message box.
• Try to execute C-h k RET. int -> unit will be printed again and the prompt asking for a key disappeared.
• Try to finish the describe-key command by inputting C-c C-t. It displays <t> is undefined.

What should happen instead:

When the buffer doesn't have the focus or an action is going on, the logic of this package should be put on pause.

[Khady]

Solved by no relaunching action when the point doesn't move