feat: show account number in GL journal entry list and transaction detail views

- Add savingsAccountNo column to search-journal-entry table (SB/FD/RD/CA)
- Add account no column to view-journal-entry-transaction detail table
- Fix duplicate .gl-mat-table selector; merge column-width rules inside block

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

src/app/accounting/search-journal-entry/search-journal-entry.component.html

@@ -571,6 +571,17 @@
         </mat-cell>
       </ng-container>
 
+      <!-- Savings Account No -->
+      <ng-container matColumnDef="savingsAccountNo">
+        <mat-header-cell *matHeaderCellDef class="gl-th">Account No</mat-header-cell>
+        <mat-cell *matCellDef="let e" class="gl-td">
+          <span *ngIf="e.savingsAccountNo" class="gl-acct-no-chip" [matTooltip]="e.savingsAccountNo">{{
+            e.savingsAccountNo
+          }}</span>
+          <span *ngIf="!e.savingsAccountNo" class="gl-na">—</span>
+        </mat-cell>
+      </ng-container>
+
       <!-- Office -->
       <ng-container matColumnDef="officeName">
         <mat-header-cell *matHeaderCellDef mat-sort-header class="gl-th">Office</mat-header-cell>