SDL sends ""menuIcon" : null" in case app requests AddSubMenu without "menuIcon"

[GetmanetsIrina]

Bug Report

SDL sends ""menuIcon" : null" in case app requests AddSubMenu without "menuIcon"

Reproduction Steps

1. App is registered and activated
2. App requests AddSubMenu without "menuIcon"
   Reproduced with script Added check of the menuIcon parameter absence sdl_atf_test_scripts#2142

Expected Behavior

SDL sends UI.AddSubMenu without "menuIcon" to HMI

Observed Behavior

SDL sends UI.AddSubMenu with null value in "menuIcon":

 {
   "params" : {
      "appID" : 1676936826,
      "menuID" : 1000,
      "menuIcon" : null,
      "menuParams" : {
         "menuName" : "SubMenupositive",
         "position" : 500
      }
   }
}

OS & Version Information

• OS/Version: Ubuntu 13.04
• SDL Core Version: d363167
• Testing Against: ATF: develop branch(6ed5c5c7a55fa05b015de3db7c04e13b91ace01a)

[jacobkeeler]

Closing with the merge of #2913