🐛 eq filter using multiple select does show any values

[samfweb]

What edition are you using Doc's version

Relevant code or config: See https://reactdatagrid.io/docs/filtering#filter-types-&-operators example

What you did:

1. Change multi-select filter to eq
2. Choose 'London'
3. See no values are returned

What happened:

No values are shown despite some meeting filter criteria

Reproduction repository:

See https://reactdatagrid.io/docs/filtering#filter-types-&-operators example

Problem description:

Eq multiselect filter should function correctly