counsel-M-x: this-command is incorrect in minibuffer-setup-hook

counsel-M-x-test.el

(require 'counsel)

(defun gx-setup-hook ()
  (message "\n- minibuffer-setup-hook\n")
  (message "command | value | real value")
  (message "------- | ----- | ----------")
  (message "  this  | %s | %s" this-command real-this-command)
  (message "  last  | %s | %s" last-command real-last-command))

(add-hook 'minibuffer-setup-hook #'gx-setup-hook)

(defun gx-debug-commands ()
  "Print this and last comments."
  (interactive)
  (message "\n- gx-debug-commands\n")
  (message "command | value | real value")
  (message "------- | ----- | ----------")
  (message "  this  | %s | %s" this-command real-this-command)
  (message "  last  | %s | %s" last-command real-last-command))

(defun gx-test-M-x ()
  "Test basic M-x."
  (message "### When executing `execute-extended-command`")
  (funcall-interactively #'execute-extended-command ""))

(defun gx-test-counsel-M-x ()
  "Test basic counsel-M-x."
  (message "### When executing `counsel-M-x`")
  (funcall-interactively #'counsel-M-x ""))

(gx-test-M-x)
(gx-test-counsel-M-x)