fix(excel-export): resolved issues on grid, treeGrid samples

Author: Mariela Tihova

package-lock.json

@@ -74,7 +74,7 @@
     "hammerjs": "^2.0.8",
     "igniteui-angular": "^20.1.0",
     "igniteui-angular-charts": "^19.0.1",
-    "igniteui-angular-core": "^19.0.1",
+    "igniteui-angular-core": "^20.1.0",
     "igniteui-angular-extras": "^20.0.0",
     "igniteui-angular-i18n": "^20.1.0",
     "igniteui-dockmanager": "^1.17.0",

package.json

@@ -1,4 +1,4 @@
-<p class="grid__wrapper">
+<div class="grid__wrapper">
   <igx-grid #igxGrid1 [data]="data" [groupingExpressions]="groupExpressions" [allowFiltering]="true" [cellSelection]="'single'"
     [hideGroupedColumns]="true" [width]="'100%'" [height]="'700px'" [moving]="true">
     <igx-grid-toolbar>
@@ -14,4 +14,4 @@
       </igx-column>
     }
   </igx-grid>
-</p>
+</div>

src/app/services/export-excel/excel-export-sample-1/excel-export-sample-1.component.html

@@ -1,4 +1,4 @@
-<p class="grid__wrapper">
+<div class="grid__wrapper">
   <igx-tree-grid #igxTreeGrid1 [igxPreventDocumentScroll]="true" [data]="data" [autoGenerate]="false" height="280px" width="100%"
     primaryKey="ID" foreignKey="ParentID">
     <igx-grid-toolbar>
@@ -33,4 +33,4 @@
       </ng-template>
     </igx-column>
   </igx-tree-grid>
-</p>
+</div>