fix(@angular-devkit/build-webpack): consider name when deduping emitted files

We need to consider the name when deduping files because a file such as `runtime.js` can be under multiples names because this file is a dependency of multiple entrypoints

Author: Alan Agius

packages/angular_devkit/build_webpack/src/utils.ts

@@ -46,5 +46,6 @@ export function getEmittedFiles(compilation: webpack.compilation.Compilation): E
   }
 
   // dedupe
-  return files.filter(({ file }, index) => files.findIndex(f => f.file === file) === index);
+  return files.filter(({ file, name }, index) =>
+    files.findIndex(f => f.file === file && (!name || name === f.name)) === index);
 }