message: docs(core): fixed code snippets
  PR Close
diff: @@ -2650,10 +2650,10 @@ It takes two arguments: the component type to override (`HeroDetailComponent`) a
  The [override metadata object](#metadata-override-object) is a generic defined as follows:
  <code-example format="." language="javascript">
  - type MetadataOverride<T> = {
  - add?: Partial<T>;
  - remove?: Partial<T>;
  - set?: Partial<T>;
  + type MetadataOverride&lt;T&gt; = {
  + add?: Partial&lt;T&gt;;
  + remove?: Partial&lt;T&gt;;
  + set?: Partial&lt;T&gt;;
  };
  </code-example>
  @@ -3008,10 +3008,10 @@ appropriate to the method, that is, the parameter of an `@NgModule`,
  `@Component`, `@Directive`, or `@Pipe`.
  <code-example format="." language="javascript">
  - type MetadataOverride<T> = {
  - add?: Partial<T>;
  - remove?: Partial<T>;
  - set?: Partial<T>;
  + type MetadataOverride&lt;T&gt; = {
  + add?: Partial&lt;T&gt;;
  + remove?: Partial&lt;T&gt;;
  + set?: Partial&lt;T&gt;;
  };
  </code-example>
  