JIRA Macro Fix Version/S column renders empty content if there are multiple Fix Version/s selected in JIRA issue

Summary

JIRA Macro renders the Fix Version/S column empty when there are multiple Fix Version/S after it is upgraded to 5.6.17

Environment

Confluence 5.8.13 with JIRA Macros 5.6.17

Steps to Reproduce

1. Start Confluence 5.8.13 with bundled JIRA Macros 5.6.12
2. Insert JIRA Macros showing Fix Version for issue with multiple fix versions
3. View that multiple fix versions are shown in the column
4. Upgrade JIRA Macros to 5.6.17
5. View the same JIRA Macros

Expected Results

• Fix Version/S column would render with all fix versions

Actual Results

• Nothing is rendered in the Fix Version/S column

Notes

• If there is one fix version, then it will render properly

Workaround

1. Uninstall JIRA Macros 5.6.17
2. Restart Confluence - this will load up the bundled JIRA Macros.