refactor(language-service): reuse code fixes map for has fix check (#58759)

The error codes that have fixes are present in a Map instance and
can be directly leveraged to determine if an error code can be fixed.
This avoids multiple levels of iteration that would otherwise be needed.

PR Close #58759

Author: clydin

packages/language-service/src/codefixes/code_fixes.ts

@@ -14,7 +14,7 @@ import {TemplateInfo} from '../utils';
 import {CodeActionMeta, FixIdForCodeFixesAll, isFixAllAvailable} from './utils';
 
 export class CodeFixes {
-  private errorCodeToFixes: Map<number, CodeActionMeta[]> = new Map();
+  private errorCodeToFixes = new Map<number, CodeActionMeta[]>();
   private fixIdToRegistration = new Map<FixIdForCodeFixesAll, CodeActionMeta>();
 
   constructor(
@@ -40,6 +40,10 @@ export class CodeFixes {
     }
   }
 
+  hasFixForCode(code: number): boolean {
+    return this.errorCodeToFixes.has(code);
+  }
+
   /**
    * When the user moves the cursor or hovers on a diagnostics, this function will be invoked by LS,
    * and collect all the responses from the `codeActionMetas` which could handle the `errorCodes`.

packages/language-service/src/language_service.ts

@@ -385,7 +385,7 @@ export class LanguageService {
    * Related context: https://github.com/angular/vscode-ng-language-service/pull/2050#discussion_r1673079263
    */
   hasCodeFixesForErrorCode(errorCode: number): boolean {
-    return this.codeFixes.codeActionMetas.some((m) => m.errorCodes.includes(errorCode));
+    return this.codeFixes.hasFixForCode(errorCode);
   }
 
   getCodeFixesAtPosition(