refactor(forms): convert Signal Forms errors to use RuntimeError

- Added 13 new error codes to forms/src/errors.ts (1900-1999)
- use RuntimeError

Author: kirjs

adev/src/app/features/references/api-reference-list/api-reference-list.component.spec.ts

@@ -16,7 +16,7 @@ import {RouterTestingHarness} from '@angular/router/testing';
 import {provideRouter} from '@angular/router';
 import {Location} from '@angular/common';
 import {By} from '@angular/platform-browser';
-import {NavigationItem, TextField} from '@angular/docs';
+import {TextField} from '@angular/docs';
 import {ApiItem} from '../interfaces/api-item';
 
 describe('ApiReferenceList', () => {
@@ -117,6 +117,15 @@ describe('ApiReferenceList', () => {
     expect(component.filteredGroups()![0].items).toEqual([fakeItem1]);
   });
 
+  it('should display items which match the query by group title', () => {
+    fixture.componentRef.setInput('query', 'Fake Group');
+    fixture.detectChanges();
+
+    // Should find all items whose group title contains the query
+    expect(component.filteredGroups()![0].items.length).toBeGreaterThan(0);
+    expect(component.filteredGroups()![0].items).toContain(fakeItem1);
+  });
+
   it('should display only class items when user selects Class in the Type select', () => {
     fixture.componentRef.setInput('type', ApiItemType.CLASS);
     fixture.detectChanges();

adev/src/app/features/references/api-reference-list/api-reference-list.component.ts

@@ -97,7 +97,10 @@ export default class ApiReferenceList {
         id: group.id,
         items: group.items.filter((apiItem) => {
           return (
-            (query == '' ? true : apiItem.title.toLocaleLowerCase().includes(query)) &&
+            (query == ''
+              ? true
+              : apiItem.title.toLocaleLowerCase().includes(query) ||
+                group.title.toLocaleLowerCase().includes(query)) &&
             (type === ALL_TYPES_KEY || apiItem.itemType === type) &&
             ((status & STATUSES.stable &&
               !apiItem.developerPreview &&