Description of problem:
Some shortcut keys on hardware page do not take effect, and some
other item do not have a shortcut key

Version-Release number of selected component (if applicable):
virt-manager-1.1.0-9.el7.noarch

How reproducible:
100%

Steps to Reproduce:
1.start virt-manager and open details page of a guest
 - # virt-manager 
 - double click on a guest
 - click "Show virtual hardware details" button

2.Click on "Overview" item, and press "Alt" key to see the shortcut for
the options in "Overview" page, the key will be underlined
3.Press "Alt" + "X"(The shortcut key) to focus the option

Actual results:
I check all the shortcuts, also the "Add hardware" page,
the following is my result（W： do not take effect, N: do not have shortcut）

*Hardware page*
Overview:
  Title, Description -  N

Processor:
  Current allocation - W
  Maximum allocation - N
  Configuration - N
   - Copy host CPU configuration, Model - N
  Topology - N
   - Manually set CPU topology, Sockets, cores, Threads - N
  Pining - N

Storage:
  Advanced options:
   - Disk bus - W
   - Serial number - Conflict with Shareable
   - Storage format - Conflict with IO Tuning
  Performance options
   - Cache mode, IO mode - W
  IO Tuning: wrong
   - Read, Write, Total - N

Network:
  Network source - N
  Device model - N

Display:
  "TLS port" conflict with "Type"
  Password - no

Sound:
  Device model - W

Video QXL:
  Model - W

Controller USB:
  Model - N

Controller PCI:
  Model - N


*Add hardware page*
Storage:
  Create a disk image on the computer's hard drive:
   - GiB - W
  Device type - W
  Advanced options:
   - Storage format - W

Controller:
  Type - W

Network:
  Network source - W

Input: 
  Type -W

Graphics:
  "Type" conflict with "TLS port"
  Password - N
  
Channel:
  Name - W
  
USB Redirection:
  Type - W

TPM:
  Device Path - N

RNG:
  Type - W
  Device - N

Panic Notifier:
  Address Type, IO Base - W

Expected results:
The shortcuts should take effects.

Additional info: