[TIMOB-6698] iOS: Debugger - debugger variables are not alphabetically sorted

In the Android debugger, debugger variables are alphabetically sorted. Screenshot attached. Should be sorted by local and global like v8 and iOS Steps to Reproduce: 1. Create a new project in studio called debug_test
. 2. Move the .js files from the debug test project in titanium_mobile_tests_internal. 
3. Refer to the test plan at http://wiki.appcelerator.org/display/tp/Debugger+Test+Plan
. 4. Execute test case 1014 up to Step 5 (in iOS). Expected Result: Variables should be in global and local order. Actual Result: Variables are in alphabetical order.