Search Text Not Displayed When Select2 Changed To 'multiple' Selection Mode

To view the code base for problem statement, Kindly CLICK HERE as I set select with id='firmName' with multiple attribute, I am unable to see the text when I type to find specific

Solution 1:

I found out this post and its sad that it has nothing selected as a solution, as de OP mentioned in a comment this is caused by the color of text being white, you can solve this by aplying this custom css, hope it can help anyone.

<style type="text/css">
.select2-search__field {color: black;}
</style>