feat: non-individual entity UI improvements — hide individual-only sections, fix legal form display, send extended fields to API

- Hide Family Members tab/section for non-individual entities in client view, create flow, and preview
- Hide Financial & Classification section for non-individual entities in personal data and preview
- Fix legal form column in clients list — fetch legalForm from client API for correct display
- Add person/business icon before client name in list rows
- Remove unsupportedNpd filter — send authorizedSignatory, additionalInfo, dateOfRegistration to API
- Add registration number format hint (mat-hint) based on constitution type
- Add spacing between verification row and constitution type dropdowns
- Reduce table cell padding and prevent action buttons from being clipped
- Add missing MPL-2.0 license headers

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/system/system.component.ts

@@ -13,11 +13,6 @@ import { Router, RouterLink } from '@angular/router';
 /** Custom Services */
 import { ConfigurationWizardService } from '../configuration-wizard/configuration-wizard.service';
 import { PopoverService } from '../configuration-wizard/popover/popover.service';
-import { MatNavList, MatListItem } from '@angular/material/list';
-import { MatIcon } from '@angular/material/icon';
-import { FaIconComponent } from '@fortawesome/angular-fontawesome';
-import { MatLine } from '@angular/material/grid-list';
-import { NgClass } from '@angular/common';
 import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
 
 @Component({
@@ -25,13 +20,7 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   templateUrl: './system.component.html',
   styleUrls: ['./system.component.scss'],
   imports: [
-    ...STANDALONE_SHARED_IMPORTS,
-    MatNavList,
-    MatListItem,
-    MatIcon,
-    FaIconComponent,
-    MatLine,
-    NgClass
+    ...STANDALONE_SHARED_IMPORTS
   ]
 })
 export class SystemComponent implements AfterViewInit {