.ui-grid-cell {
  overflow: visible !important;
  position: static !important;
}

.ui-grid-cell .dropdown-menu {
  position: fixed !important;
  z-index: 1050 !important;
}
.ui-grid-cell {
  overflow: visible !important;
  position: relative !important; 
}

.ui-grid-cell .dropdown-menu {
  position: absolute !important; 
  top: 100% !important;
  left: 0 !important;
  margin-top: 2px !important;
  z-index: 1050 !important;
  min-width: 120px;
}
.ui-grid-cell .dropdown-menu.dropdown-menu-left {
  right: 0 !important;
  left: auto !important;
}
.ui-grid-cell {
  overflow: visible !important;
  position: relative !important;
}

.ui-grid-cell .dropdown-menu.dropdown-menu-left {
  right: 0 !important;
  left: auto !important;
  min-width: 130px;
  margin-top: 2px;
  z-index: 1050 !important;
}

.ui-grid-cell .dropdown-menu > li.disabled > a {
  pointer-events: none;
  opacity: 0.6;
}