On tab focus enter not opening multiselect dropdown

[w-a-s-i-m]

Angular version:14.1

ng-multiselect-dropdown version:1.0.0-beta.19

Description of issue: on pressing enter not opening the ng-multiselect-dropdown

Steps to reproduce:

Expected result:on pressing enter should open the dropdown

Actual result: on pressing enter not opening the ng-multiselect-dropdown

Demo: https://stackblitz.com/edit/ng-multiselect-dropdown?file=src%2Fapp%2Fapp.component.ts

Any relevant code:

         <form [formGroup]="myForm">
        <ng-multiselect-dropdown
            name="city"
            [placeholder]="'Select City'"
            [data]="cities"
            formControlName="city"
            [disabled]="disabled"
            [settings]="dropdownSettings"
            (onSelect)="onItemSelect($event)">
        </ng-multiselect-dropdown>
   </form>


ts.
 import { FormBuilder, FormGroup } from '@angular/forms';
    import { Component, OnInit } from '@angular/core';

    @Component({
        selector: 'multiple-demo',
        templateUrl: './multiple-demo.html'
    })
    export class MultipleDemoComponent implements OnInit {
        myForm:FormGroup;
        disabled = false;
        ShowFilter = false;
        limitSelection = false;
        cities: Array = [];
        selectedItems: Array = [];
        dropdownSettings: any = {};
        constructor(private fb: FormBuilder) {}

        ngOnInit() {
            this.cities = [
                { item_id: 1, item_text: 'New Delhi' },
                { item_id: 2, item_text: 'Mumbai' },
                { item_id: 3, item_text: 'Bangalore' },
                { item_id: 4, item_text: 'Pune' },
                { item_id: 5, item_text: 'Chennai' },
                { item_id: 6, item_text: 'Navsari' }
            ];
            this.selectedItems = [{ item_id: 4, item_text: 'Pune' }, { item_id: 6, item_text: 'Navsari' }];
            this.dropdownSettings = {
                singleSelection: false,
                idField: 'item_id',
                textField: 'item_text',
                selectAllText: 'Select All',
                unSelectAllText: 'UnSelect All',
                itemsShowLimit: 3,
                allowSearchFilter: this.ShowFilter
            };
            this.myForm = this.fb.group({
                city: [this.selectedItems]
            });
        }

        onItemSelect(item: any) {
            console.log('onItemSelect', item);
        }
        onSelectAll(items: any) {
            console.log('onSelectAll', items);
        }
        toogleShowFilter() {
            this.ShowFilter = !this.ShowFilter;
            this.dropdownSettings = Object.assign({}, this.dropdownSettings, { allowSearchFilter: this.ShowFilter });
        }

        handleLimitSelection() {
            if (this.limitSelection) {
                this.dropdownSettings = Object.assign({}, this.dropdownSettings, { limitSelection: 2 });
            } else {
                this.dropdownSettings = Object.assign({}, this.dropdownSettings, { limitSelection: null });
            }
        }
    }