Page Composer - edit distributions box to display more segments

Summary:

When users are entering an invoice or receipt, they use the edit distributions button under Actions. The box that pops up only displays the first 5 segments of our 10 segment chart.

Content (required):

How do we use page composer to make this box larger so that more of our 10 segment chart can be seen without having to open the blue view all segments button?

Version (include the version you are using, if applicable):

23A

Code Snippet (add any code snippets that support your topic, if applicable):

NA