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/clients/clients-view/address-tab/address-tab.component.ts

@@ -296,7 +296,7 @@ export class AddressTabComponent {
     formfields.push(
       this.isFieldEnabled('countyDistrict')
         ? new InputBase({
-            controlName: 'countryDistrict',
+            controlName: 'countyDistrict',
             label: this.translateService.instant('labels.inputs.State / Province'),
             value: address ? address.countyDistrict : '',
             type: 'text',