fix types in couple Vue demos

Author: GoodDayForSurf

apps/demos/Demos/Diagram/ItemSelection/Vue/App.vue

@@ -56,7 +56,7 @@ function onContentReady(e: DxDiagramTypes.ContentReadyEvent) {
 function onSelectionChanged({ items }: DxDiagramTypes.SelectionChangedEvent) {
   selectedItemNames.value = 'Nobody has been selected';
   const filteredItems = items
-    .filter((item) => item.itemType === 'shape')
+    .filter((item: DxDiagramTypes.Item) => item.itemType === 'shape')
     .map(({ text }: Record<string, any>) => text);
   if (filteredItems.length > 0) {
     selectedItemNames.value = filteredItems.join(', ');

apps/demos/Demos/TreeView/DragAndDropHierarchicalDataStructure/Vue/App.vue

@@ -167,7 +167,7 @@ function moveNode(
 ) {
   const fromNodeContainingArray = getNodeContainingArray(fromNode, fromItems);
   const fromIndex = fromNodeContainingArray
-    ?.findIndex((item) => item.id === fromNode.itemData?.id) || -1;
+    ?.findIndex((item: DriveItem) => item.id === fromNode.itemData?.id) || -1;
 
   if (fromIndex !== -1 && fromNodeContainingArray) {
     fromNodeContainingArray.splice(fromIndex, 1);
@@ -179,7 +179,7 @@ function moveNode(
     const toNodeContainingArray = getNodeContainingArray(toNode, toItems);
     const toIndex = toNode === null
       ? toNodeContainingArray?.length || 0
-      : toNodeContainingArray?.findIndex((item) => item.id === toNode.itemData?.id) || 0;
+      : toNodeContainingArray?.findIndex((item: DriveItem) => item.id === toNode.itemData?.id) || 0;
     toNodeContainingArray?.splice(toIndex, 0, fromNode.itemData);
   }
 }

apps/demos/Demos/TreeView/DragAndDropPlainDataStructure/Vue/App.vue

@@ -184,7 +184,7 @@ function moveChildren(node: Node, fromDataSource: DriveItem[], toDataSource: any
     return;
   }
 
-  node.children?.forEach((child) => {
+  node.children?.forEach((child: Node) => {
     if (child.itemData?.isDirectory) {
       moveChildren(child, fromDataSource, toDataSource);
     }