main.js ends up in Lazy loaded Chunks

### Which @angular/* package(s) are the source of the bug?

core

### Is this a regression?

Yes

### Description

setting the **bundleName** for one of the styles to "main" results in main.js end up in **Lazy Loaded Chunks** category
That also means the main.js doesn't have any hash at the end of it's filename.

```
{
"input": "styles/main.scss",
"bundleName": "main",
"inject": false
},
```

```
Initial chunk files | Names | Raw size | Estimated transfer size
polyfills.45732861e6a6851d.js | polyfills | 34.19 kB | 11.03 kB

| Initial total | 34.19 kB | 11.03 kB

Lazy chunk files | Names | Raw size | Estimated transfer size
main.css, main.js | main | 277.90 kB | 49.44 kB
runtime.a9fc7548b14f6ea7.js | runtime | 1.06 kB | 587 bytes
```

Proposed solution

Angular should report this collision as a warning. I spent hours figuring this out.

### Please provide a link to a minimal reproduction of the bug

_No response_

### Please provide the exception or error you saw

_No response_

### Please provide the environment you discovered this bug in (run `ng version`)

Angular: 18.1.4
... animations, cdk, cli, common, compiler, compiler-cli, core
... forms, language-service, platform-browser
... platform-browser-dynamic, router

Package Version
---------------------------------------------------------
@angular-devkit/architect 0.1801.4
@angular-devkit/build-angular 18.1.4
@angular-devkit/core 18.1.4
@angular-devkit/schematics 18.1.4
@schematics/angular 18.1.4
rxjs 7.8.1
typescript 5.5.4
zone.js 0.14.4

### Anything else?

_No response_

Commencez par reproduire le problème avec la configuration styles indiquée sur Angular 18.1.4, en utilisant bundleName "main" et inject false, puis examinez comment le build classe les fichiers générés. Le travail est considéré comme terminé lorsque la collision de noms est signalée comme un avertissement et que la sortie déroutante du lazy-chunk est traitée.

Rédigé par le modèle d'indexation à partir du texte de l'issue.