fix(ngcc): do not output duplicate ɵprov properties (#34085)

Previously, the Angular AOT compiler would always add a
`ɵprov` to injectables. But in ngcc this resulted in duplicate `ɵprov`
properties since published libraries already have this property.

Now in ngtsc, trying to add a duplicate `ɵprov` property is an error,
while in ngcc the additional property is silently not added.

// FW-1750

PR Close #34085

packages/compiler-cli/ngcc/src/analysis/decoration_analyzer.ts

@@ -96,7 +96,7 @@ export class DecorationAnalyzer {
         this.isCore, /* annotateForClosureCompiler */ false),
     new InjectableDecoratorHandler(
         this.reflectionHost, NOOP_DEFAULT_IMPORT_RECORDER, this.isCore,
-        /* strictCtorDeps */ false),
+        /* strictCtorDeps */ false, /* errorOnDuplicateProv */ false),
     new NgModuleDecoratorHandler(
         this.reflectionHost, this.evaluator, this.fullMetaReader, this.fullRegistry,
         this.scopeRegistry, this.referencesRegistry, this.isCore, /* routeAnalyzer */ null,