Merge pull request #663 from data-driven-forms/pf4-select-loading

fix(pf4): prevent portal menu warping on open

Author: rvsia

packages/pf4-component-mapper/src/common/select/select.js

@@ -85,6 +85,7 @@ const stateReducer = (state, changes, isMulti) => {
       return {
         ...state,
         ...changes,
+        highlightedIndex: undefined, // reset the item focus to prevent initial scroll and portal menu warping
         inputValue: undefined
       };
     case Downshift.stateChangeTypes.keyDownEnter: