Search by label when groups is true does not work

[ejirocodes]

Expected: when I search for DC or Marvel, it should be highlighted and when clicked it add the corresponding options as tag Actual: No result found 👇🏽

<Multiselect
                        v-model="selectedAttributes"
                        mode="multiple"
                        :close-on-select="false"
                        :groups="true"
                        :searchable="true"
                        trackBy="label"
                        :options="[
                          {
                            label: 'DC',
                            options: ['Batman', 'Robin', 'Joker'],
                          },
                          {
                            label: 'Marvel',
                            options: [
                              'Spiderman',
                              'Iron Man',
                              'Captain America',
                            ],
                          },
                        ]"
                      />