Fix hardcoded number of tasks (limited to 15)

1. start several workflows (more than 15 different) using the attached project
2. click Workspace / Workflow
3. expand Task Name field
4. the result is limited to 15 tasks
5. the Task Name field is using Context.GetTaskNames operation (see taskNameOperation.png)

The result is limited to 15 according to:

public static int LIMIT_RESULTS = 15;

in this file

There should a parameter for setting the limit.

Project ffischer-60-ffischer.zip attached with more than 17 workflows in order to do some tests.