ACP2E-3097: Datepicker for product with multiple Customizable Options with date fields not working when placing order from admin

Author: aplapana

lib/web/mage/calendar.js

@@ -81,6 +81,7 @@ define([
             );
             this._initPicker(this.element);
             this._overwriteGenerateHtml();
+            this._overwriteFindPos();
         },
 
         /**
@@ -101,6 +102,13 @@ define([
             }
         },
 
+        _overwriteFindPos: function () {
+            $.datepicker.constructor.prototype._findPos = function (obj) {
+                let domPosition = obj.getBoundingClientRect();
+                return [domPosition.left, domPosition.top];
+            }
+        },
+
         /**
          * Wrapper for overwrite jQuery UI datepicker function.
          */