Describe the bug
When working with the Wrapper DropDownList, if the component uses the v-model directive, there are some white spaces appearing in the popup of the component.

If the component doesn't use the v-model, the described behavior is not replicable.

To Reproduce

1. Open this StackBlitz example.
2. Select "Fish"
3. Select "Pizza"
4. Repeat steps 2 and 3 multiple times
5. See the white space in the popup

Expected behavior
No white space should appear in the popup of the DropDownList component.

Screenshots