AAE-38748 Fix ComputeTitle undefined error in upstream (#11334)

* fix: undefined error in computeTitle

lib/core/src/lib/datatable/components/datatable-cell/datatable-cell.component.spec.ts

@@ -120,4 +120,23 @@ describe('DataTableCellComponent', () => {
         checkDisplayedText('hello worl...');
         checkDisplayedTooltip('hello world');
     });
+
+    it('should compute empty title when column value is undefined', () => {
+        const row: DataRow = {
+            id: '1',
+            isSelected: false,
+            hasValue: () => false,
+            getValue: () => undefined,
+            obj: 'Initial Value',
+            cache: []
+        };
+
+        component.data = new ObjectDataTableAdapter();
+        component.column = { key: 'car_name', type: 'text', maxTextLength: 10 };
+        component.row = row;
+
+        expect(() => fixture.detectChanges()).not.toThrow();
+        expect(component.computedTitle).toBe('');
+        expect(testingUtils.getByCSS('span').nativeElement.title).toBe('');
+    });
 });

lib/core/src/lib/datatable/components/datatable-cell/datatable-cell.component.ts

@@ -117,14 +117,12 @@ export class DataTableCellComponent implements OnInit {
         if (this.tooltip) {
             return this.tooltip;
         }
-
         const rawValue = value;
         const max = this.column?.maxTextLength;
 
-        if (typeof max === 'number' && max > 0 && rawValue.length > max) {
+        if (typeof max === 'number' && max > 0 && rawValue?.length > max) {
             return rawValue;
         }
-
         return '';
     }
 }