Expand Multi Select Searcher Custom Field Width

After creating large text options to be listed under the Multi Select Searcher Custom Field, they don't get fully displayed on the screen. Please see images below:

1. Creating options to be listed under the custom field:

2. How the options are displayed when viewing the custom field:

It would be nice to have a "wider" custom field - or an automatic width that could at least match the same sizes as the other fields displayed on the image provided (such as "Epic Link").