fix(ios): handle loading internal _index_.json under xcode

iphone/TitaniumKit/TitaniumKit/Sources/API/AssetsModule.m

@@ -108,6 +108,9 @@ + (FileStatus)fileStatus:(NSString *)path
     // there was no index.json! status is unknown!
     return FileStatusUnknown;
   }
+  if ([path isEqualToString:@"/_index_.json"]) { // we know it exists! we loaded it
+    return FileStatusUnknown; // treat as "unknown" since we didn't record if we loaded in normal or encrypted...
+  }
   // Initial path is assuemd to be of form: "/ti.main.js", "/app.js" or "/ti.kernel.js"
   // Basically a path that looks absolute but is relative to Resources dir (app root)
   path = [@"Resources" stringByAppendingString:path];