why mat-select not working inside the modal ? onclick it shows options behind the Modal

Question

i Used the ngx-bootstrap Modal. But i faced problem when i used the mat-select inside of it . The mat-select Options display behind the Modal . i already these solutions her

Answer 1

I found the above answers didn't seem to work but the code below did

.cdk-overlay-connected-position-bounding-box {
  z-index: 99999 !important;
}

This needs to go in a global (s)css file to work

This shows any mat-select options on top of any open modals :)