feat(election,family): family member KYC display, collapsible cards, linked/manual badges, create-as-client flow

- nomination-apply: show full KYC for linked family members via nested forkJoin, accordion expand/collapse cards, owner chips on KYC headers, 'Create as Client' button for manual entries
- family-members-tab: show Linked Client / Manual Entry badges, entry type in detail grid, 'Create as Client' button navigating with prefill state
- create-client + client-general-step: accept prefillData @Input from navigation state, patch form fields from family member data
- Add MPL-2.0 headers to all election module files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/app.module.ts

@@ -65,6 +65,7 @@ import { SftModule } from './sft/sft.module';
 import { DigitalModule } from './digital/digital.module';
 import { LetterMgmtModule } from './letter-mgmt/letter-mgmt.module';
 import { AccountsModule } from './accounts/accounts.module';
+import { ElectionModule } from './election/election.module';
 import { PortalModule } from '@angular/cdk/portal';
 
 /** Main Routing Module */
@@ -166,6 +167,7 @@ export function HttpLoaderFactory(http: HttpClient) {
     DigitalModule,
     LetterMgmtModule,
     AccountsModule,
+    ElectionModule,
     AppRoutingModule,
     NotFoundComponent,
     CallbackComponent,