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/navigation/loan-account-table/loan-account-table.component.html

@@ -7,8 +7,9 @@
 -->
 
 <div class="layout-row align-between align-items-center">
-  <mat-form-field class="flex-50">
+  <mat-form-field appearance="outline" class="flex-50">
     <mat-label>{{ 'labels.inputs.Filter' | translate }}</mat-label>
+    <i matPrefix class="fas fa-search"></i>
     <input matInput (keyup)="applyFilter($event.target.value)" />
   </mat-form-field>
   <button mat-raised-button color="primary" (click)="toggleClosed()">

src/app/navigation/member-groups/member-groups.component.html

@@ -7,8 +7,9 @@
 -->
 
 <div class="layout-row">
-  <mat-form-field class="flex-50">
+  <mat-form-field appearance="outline" class="flex-50">
     <mat-label>{{ 'labels.inputs.Filter' | translate }}</mat-label>
+    <i matPrefix class="fas fa-search"></i>
     <input matInput (keyup)="applyFilter($event.target.value)" />
   </mat-form-field>
 </div>

src/app/navigation/savings-account-table/savings-account-table.component.html

@@ -7,8 +7,9 @@
 -->
 
 <div class="layout-row align-between align-items-center">
-  <mat-form-field class="flex-50">
+  <mat-form-field appearance="outline" class="flex-50">
     <mat-label>{{ 'labels.inputs.Filter' | translate }}</mat-label>
+    <i matPrefix class="fas fa-search"></i>
     <input matInput (keyup)="applyFilter($event.target.value)" />
   </mat-form-field>
   <button mat-raised-button color="primary" (click)="toggleClosed()">

src/app/navigation/share-account-table/share-account-table.component.html

@@ -7,8 +7,9 @@
 -->
 
 <div class="layout-row align-between align-items-center">
-  <mat-form-field class="flex-50">
+  <mat-form-field appearance="outline" class="flex-50">
     <mat-label>{{ 'labels.inputs.Filter' | translate }}</mat-label>
+    <i matPrefix class="fas fa-search"></i>
     <input matInput (keyup)="applyFilter($event.target.value)" />
   </mat-form-field>
   <button mat-raised-button color="primary" (click)="toggleClosed()">