fix/handle-null-report-category-display

Author: Omar-Nabil2

src/app/system/manage-reports/manage-reports.component.html

@@ -42,7 +42,15 @@
 
       <ng-container matColumnDef="reportCategory">
         <th mat-header-cell *matHeaderCellDef mat-sort-header>{{ 'labels.inputs.Report Category' | translate }}</th>
-        <td mat-cell *matCellDef="let report">{{ report.reportCategory | translateKey: 'catalogs' }}</td>
+        <td mat-cell *matCellDef="let report">
+          {{
+            report.reportCategory &&
+            report.reportCategory.trim() &&
+            report.reportCategory.trim().toUpperCase() !== '(NULL)'
+              ? (report.reportCategory.trim() | translateKey: 'catalogs')
+              : ''
+          }}
+        </td>
       </ng-container>
 
       <ng-container matColumnDef="coreReport">