Merge forwardport of #11824 to 2.3-develop branch

Applied pull request patch https://github.com/magento/magento2/pull/11824.patch (created by @briscoda) based on commit(s):
  1. c5b2a0f
  2. fe44f8f

Fixed GitHub Issues in 2.3-develop branch:
  - #10291: Magento 2 Loading custom option dropdown issue (reported by @NagarajuKasa)

app/code/Magento/Catalog/view/adminhtml/web/js/custom-options-type.js

@@ -103,11 +103,6 @@ define([
 
                         if (component) {
                             component.visible(visible);
-
-                            /*eslint-disable max-depth */
-                            if (_.isFunction(component.clear)) {
-                                component.clear();
-                            }
                         }
                     }
                 }, this);