Report a warning/error when multiple instance of `@angular/core` are bundled.

### Command

build

### Description

When the CLI bundles Angular apps it can happen that multiple instances of `@angular/core` are bundled.

This leads to a variety of errors at runtime that are difficult to diagnose for developers.

Currently on the FW repo we point users toward : angular/angular#35586

### Describe the solution you'd like

I'd be great if the CLI could throw a warning/error when it happens so users are aware even before runtime that there is an issue with their bundle and they should have a look at their dependency resolution !

从 CLI 的 build 命令开始，调查依赖解析和打包的 Angular 应用在 build 期间是如何表示的。查看 angular/angular#35586，了解报告的多个 @angular/core 实例故障模式。当多个实例被打包时，build 能在运行时故障发生前报告警告或错误，即视为完成。

由索引模型根据 Issue 内容生成。