fix selection rect bug when dragging DirectoryEntry

frontend/components/DirectoryEntry.vue

@@ -100,6 +100,7 @@ function onClearCopy() {
                     isSelected && 'bg-primary/20',
                 ]"
                 :draggable
+                @pointerdown.stop
                 @dragstart="onDragStart"
                 @drop="onDrop"
                 @click="onClick"