[atos] Prefer binary image in build dir which has symbols pre-extracted and is faster.

Fixes http://hipbyte.myjetbrains.com/youtrack/issue/RM-582.

NEWS

@@ -1,5 +1,7 @@
 = RubyMotion 2.33 =
 
+  * Improved exception backtrace symbolication performance by ensuring the dSYM
+    bundle is used when available.
   * Improved Enumerable#inject performance. ~40% times faster.
   * Fixed a bug that could cause `clang++' to be called with too many arguments
     for a shell to handle.

lib/motion/project/template/ios.rb

@@ -171,6 +171,7 @@ END
   # Launch the simulator.
   xcode = App.config.xcode_dir
   env = "DYLD_FRAMEWORK_PATH=\"#{xcode}/../Frameworks\":\"#{xcode}/../OtherFrameworks\""
+  env << " RM_BUILT_EXECUTABLE=\"#{File.expand_path(App.config.app_bundle_executable('iPhoneSimulator'))}\""
   env << ' SIM_SPEC_MODE=1' if App.config.spec_mode
   sim = File.join(App.config.bindir, 'ios/sim')
   debug = (ENV['debug'] ? 1 : (App.config.spec_mode ? '0' : '2'))