mdbCollapse cuts fold out of mdb-select components

<div class="row border-top pt-4 pb-4">
    <div class="col-md-12">
        <button mdbBtn color="primary" class="btn btn-sm waves-light pull-right" type="button"
                mdbTooltip="Toggle search form" (click)="search.toggle()" mdbWavesEffect>
            <i *ngIf="icon" class="fa fa-2x fa-angle-up"></i>
            <i *ngIf="!icon" class="fa fa-2x fa-angle-down"></i>
        </button>
    </div>
</div>

<div mdbCollapse #search="bs-collapse">
    <form [formGroup]="searchForm" (ngSubmit)="searchUser()">
            <div class="col-md-12">
                <div class="md-form">
                    <label class="active">My Select</label>
                    <mdb-select formControlName="bla" [options]="optionsSelectOrg" [multiple]="false" [filterEnabled]="true"
                                placeholder="Select an option" (selected)="dosomething($event)"
                                class="primary"></mdb-select>
                </div>
            </div>
        </div>
    </form>
</div>