fix(popover): added a space between containerClass and checkMarginNecessity() (#6352)
fix(popover): added a space between containerClass and checkMarginNecessity() (#6352)

If checkMarginNecessity() returns anything, it breaks the containerClass, since there's no spacing between the classes

Co-authored-by: stLmpp <459cedf92cdb72dbcab1575220458999a0ed4a7a@hotmail.com>
Co-authored-by: Dmitriy Shekhovtsov <2fe03c53445301a3ef8b502c12624c0c941f55cf@gmail.com>
valor-software/ngx-bootstrap,valor-software/ngx-bootstrap,valor-software/ngx-bootstrap,valor-software/ngx-bootstrap