<!-- PLEASE READ: HELP US SO WE CAN HELP YOU, BY FILLING OUT THIS TEMPLATE Issues that do not include enough information might not be picked up and closed. --> ### Version * Vue version: 3 ### Description The multiselect got the following options: ``` [{ "label": "Nil value", "value": null }, { "label": "String value", "value": "a" }, { "label": "Integer value", "value": 1 }, { "label": "Boolean value", "value": true }] ``` When a user selects "Integer value" or "Boolean value" two options shows like selected. ### Demo Look at [JSFiddle](https://jsfiddle.net/timpuyda/oq8de1sc/3/) to reproduce the bug