feat: implement cashier dashboard, dividend dashboards, share accounts views, and checker tasks

src/app/sponsor-dd/dd-list/dd-list.component.html

@@ -75,7 +75,12 @@
       <!-- Client Name Column -->
       <ng-container matColumnDef="issuedToClientName">
         <th mat-header-cell *matHeaderCellDef>Purchaser / Client</th>
-        <td mat-cell *matCellDef="let element">{{ element.issuedToClientName || '-' }}</td>
+        <!-- A dividend payout has no purchasing client: the society raised the draft out of its own
+             Dividend Payable to pay the member. Falling back to the walk-in purchaser name shows
+             that, instead of repeating the beneficiary and reading as a counter sale. -->
+        <td mat-cell *matCellDef="let element">
+          {{ element.issuedToClientName || element.walkinPurchaserName || '-' }}
+        </td>
       </ng-container>
 
       <!-- Beneficiary Column -->