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/standalone-shared.module.ts

@@ -14,9 +14,9 @@ import { RouterLink } from '@angular/router';
 import { NgIf, NgFor } from '@angular/common';
 
 import { MatCard, MatCardContent, MatCardActions } from '@angular/material/card';
-import { MatFormField, MatLabel, MatError, MatSuffix, MatHint } from '@angular/material/form-field';
+import { MatFormField, MatLabel, MatError, MatSuffix, MatPrefix, MatHint } from '@angular/material/form-field';
 import { MatInput } from '@angular/material/input';
-import { MatSelect } from '@angular/material/select';
+import { MatSelect, MatSelectTrigger } from '@angular/material/select';
 import { MatOption } from '@angular/material/core';
 import { MatDatepickerInput, MatDatepickerToggle, MatDatepicker } from '@angular/material/datepicker';
 import { MatButton } from '@angular/material/button';
@@ -42,9 +42,11 @@ export const STANDALONE_SHARED_IMPORTS = [
   MatLabel,
   MatError,
   MatSuffix,
+  MatPrefix,
   MatHint,
   MatInput,
   MatSelect,
+  MatSelectTrigger,
   MatOption,
   MatDatepickerInput,
   MatDatepickerToggle,