fixup! refactor(@angular/build): unify and deduplicate emitFilesToDisk across builders

Author: alan-agius4

packages/angular/build/src/builders/application/build-action.ts

@@ -333,7 +333,7 @@ function* emitOutputResults(
     incrementalResult.files.push({
       path: destination,
       type: BuildOutputFileType.Browser,
-      source: source,
+      source,
       origin: 'disk',
     });
   }

packages/angular/build/src/builders/library/tests/behavior/watch_spec.ts

@@ -594,7 +594,7 @@ describeLibraryBuilder(executeLibraryBuilder, LIBRARY_BUILDER_INFO, (harness) =>
             `,
           );
         },
-        async ({ result }) => {
+        ({ result }) => {
           expect(result?.success).toBeTrue();
           const content = harness.readFile('dist/lib/fesm2022/lib.mjs');
           expect(content).toContain('lib-recreated');