Collaboration chart truncates long organization names

The collaboration chart truncates long organization names:

I see two ways to fix it:

1. Pre-calculate how much space we need for the given organization names and adjust the chart margin accrodingly.

1. Visualize organizations names somewhat differently. Maybe something like this:

Start by locating the collaboration chart entry point and reproduce the problem with long organization names. Compare the proposed margin adjustment with the alternate visualization approach; done means organization names are no longer truncated.

Written by the indexing model from the issue text.