Not able to change colours in Roadmap Planner macro

Summary

When using the roadmap planner on a page on Confluence the user is not able to change the colours of the roadmap planners boards.

Issue 1: Steps to Reproduce

1. Add Roadmap planner macro to a page
2. Edit the page
3. Edit the macro Roadmap Planner
4. Click on the left side on the board where says "Lane1" or "Lane2"
5. Try to change the colour

Expected Results

More colours should appear to change the colour of the board

Actual Results

The dropdown menu with the colours does not appear

Issue 2: Steps to Reproduce

1. Add Roadmap planner macro to a page
2. Edit the page
3. Edit the macro Roadmap Planner
4. Click on the left side on the board where says "Lane1" or "Lane2"
5. Try to change the colour
6. Because of the bug in issue 1 and colour menu does not appear, press "cancel"

Expected Results

The missing roadmap still looks like before it was edited

Actual Results

The dropdown menu with the colours appears unexpectedly

Notes

Testing notes:

• Reproduced in Confluence 5.10.0
• Behavior is not reproduced in 5.9.4

Workaround

None so far.