fix(@angular/build): remap metafile cssBundle paths as well

Extends the metafile base path remapping to the cssBundle property of outputs, keeping all metafile path properties consistent with the workspace root. Addresses code review feedback.

Author: Arul1998

packages/angular/build/src/tools/esbuild/bundler-context.ts

@@ -548,6 +548,9 @@ export function remapMetafileBasePath(metafile: Metafile, fromBase: string, toBa
     if (value.entryPoint !== undefined) {
       value.entryPoint = remap(value.entryPoint);
     }
+    if (value.cssBundle !== undefined) {
+      value.cssBundle = remap(value.cssBundle);
+    }
     for (const importRecord of value.imports) {
       if (!importRecord.external) {
         importRecord.path = remap(importRecord.path);

packages/angular/build/src/tools/esbuild/bundler-context_spec.ts

@@ -32,6 +32,7 @@ describe('remapMetafileBasePath', () => {
           imports: [{ path: fromBaseRelative('chunk-ABC.js'), kind: 'import-statement' }],
           exports: [],
           entryPoint: fromBaseRelative('src/main.ts'),
+          cssBundle: fromBaseRelative('main.css'),
         },
       },
     };
@@ -43,6 +44,7 @@ describe('remapMetafileBasePath', () => {
 
     const output = metafile.outputs['main.js'];
     expect(output.entryPoint).toBe('src/main.ts');
+    expect(output.cssBundle).toBe('main.css');
     expect(Object.keys(output.inputs)).toEqual(['src/main.ts']);
     expect(output.imports[0].path).toBe('chunk-ABC.js');
   });