[bluez/bluez] e71e11: mesh: Fix mesh to work with MESH_IO_TYPE_UNIT_TEST

[inga-s <noreply@xxxxxxxxxx>]

  Branch: refs/heads/master
  Home:   https://github.com/bluez/bluez
  Commit: e71e1103abc63df5ba445897036eabfda4de2a2d
      https://github.com/bluez/bluez/commit/e71e1103abc63df5ba445897036eabfda4de2a2d
  Author: Inga Stotland <inga.stotland@xxxxxxxxx>
  Date:   2022-10-05 (Wed, 05 Oct 2022)

  Changed paths:
    M mesh/main.c
    M mesh/mesh-io.c

  Log Message:
  -----------
  mesh: Fix mesh to work with MESH_IO_TYPE_UNIT_TEST

This fixes mesh io flow for MESH_IO_TYPE_UNIT_TEST which
got broken after:
commit 9966cb8b6999a5f54fc13acbd7e1526512a84342
("mesh: Add new kernel MGMT based IO transport")