MDBPopover with MDBSelect in MDBPopoverBody

When adding a MDBSelect to the MDBPopoverBody, the selection of an item from the MDBSelect causes the Popover to close.

**Expected behavior** Popover should stay open and allow for more interaction

**Actual behavior** Popover closes when selection made from MDBSelect in PopoverBody

**Resources (screenshots, code snippets etc.)**

<MDBPopover placement="right" popover clickable>
<MDBBtn >Show Content</MDBBtn>
  <div>
    <MDBPopoverBody>
       <div>Content</div>
       <div>
        <MDBSelect label="Example label">
          <MDBSelectInput selected="Choose your country" />
          <MDBSelectOptions>
            <MDBSelectOption disabled>Choose your country</MDBSelectOption>
            <MDBSelectOption value="1">USA</MDBSelectOption>
            <MDBSelectOption value="2">Germany</MDBSelectOption>
            <MDBSelectOption value="3">France</MDBSelectOption>
            <MDBSelectOption value="4">Poland</MDBSelectOption>
            <MDBSelectOption value="5">Japan</MDBSelectOption>
          </MDBSelectOptions>
        </MDBSelect>
        </div>
    </MDBPopoverBody>
  </div>