Custom color picker and add preset not working in IE11

Bug Reports
1

1.In Online viewer, once we make an annotation, click on the annotation and the shapes icon will be available.

  1. Click on the + icon which is for custom shapes.

Expected result: User should be able to select custom shapes

Actual result; Nothing happens in IE upon clicking on custom shapes icon(+)

image
image1065×795 134 KB

2

Note: The version of @pdftron/pdfjs-express" is “7.3.2”