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/core/shell/sidenav/sidenav.component.html

@@ -181,6 +181,24 @@
           </mat-list-item>
         </ng-container>
 
+        <!-- Election Management Section -->
+        <ng-container *mifosxHasPermission="'SIDEBAR_ELECTION'">
+          <div class="nav-item-sep mt-1">
+            <mat-divider></mat-divider>
+            <span class="text-muted">Election</span>
+          </div>
+          <mat-list-item
+            [routerLink]="['/election']"
+            [matTooltipPosition]="tooltipPosition"
+            matTooltip="Election Management"
+            routerLinkActive="active-menu"
+            [routerLinkActiveOptions]="{ exact: false }"
+          >
+            <mat-icon matListIcon>how_to_vote</mat-icon>
+            <a matLine>Election Management</a>
+          </mat-list-item>
+        </ng-container>
+
         <!-- RBI Integration Section -->
         <ng-container *mifosxHasPermission="'SIDEBAR_RBI_INTEGRATION'">
           <div class="nav-item-sep mt-1">