fix(savings): remove duplicate Submit button in Modify Savings Account form

Added hideButtons @Input to SavingsAccountPreviewStepComponent and passed
hideButtons=true from the edit form — prevents the preview step's own
Cancel/Submit row from rendering alongside the tab action bar's buttons.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/savings/edit-savings-account/edit-savings-account.component.html

@@ -120,6 +120,7 @@
             [savingsAccount]="savingsAccount"
             [savingsAccountDigital]="savingsAccountDigital"
             [savingsAccountNominees]="savingsAccountCurrencyStep?.nominees ?? []"
+            [hideButtons]="true"
             (submitEvent)="submit()"
           >
           </mifosx-savings-account-preview-step>

src/app/savings/savings-account-stepper/savings-account-preview-step/savings-account-preview-step.component.html

@@ -581,12 +581,14 @@
   mat-stepper. Re-introducing matStepperPrevious here would require a
   CdkStepper ancestor and would crash the view on init.
 -->
-<div class="preview-submit-row">
-  <button mat-stroked-button [routerLink]="['../..']">
-    {{ 'labels.buttons.Cancel' | translate }}
-  </button>
-  <button mat-raised-button color="primary" class="preview-submit-row__primary" (click)="submitEvent.emit()">
-    <fa-icon icon="check" class="m-r-10"></fa-icon>
-    {{ 'labels.buttons.Submit' | translate }}
-  </button>
-</div>
+@if (!hideButtons) {
+  <div class="preview-submit-row">
+    <button mat-stroked-button [routerLink]="['../..']">
+      {{ 'labels.buttons.Cancel' | translate }}
+    </button>
+    <button mat-raised-button color="primary" class="preview-submit-row__primary" (click)="submitEvent.emit()">
+      <fa-icon icon="check" class="m-r-10"></fa-icon>
+      {{ 'labels.buttons.Submit' | translate }}
+    </button>
+  </div>
+}

src/app/savings/savings-account-stepper/savings-account-preview-step/savings-account-preview-step.component.ts

@@ -92,6 +92,8 @@ export class SavingsAccountPreviewStepComponent implements OnChanges {
   @Input() savingsAccountNominees: any[] = [];
   /** active Client Members in case of GSIM Account */
   @Input() activeClientMembers?: any;
+  /** Hide internal Cancel/Submit buttons when parent provides its own action bar */
+  @Input() hideButtons = false;
 
   /** Table Data Source */
   dataSource: any;