[JIRAALIGN-1620] Work item links: throws an error even if there are no same items selected for predecessors and successors.

Issue Summary

Same item is selected for predecessors and successors error is thrown even though there is no same items selected. This occurs when capabilities visibility is OFF on menu items.

Steps to Reproduce

1. Make sure Enable Capabilities is OFF in Administration > Platform > Solution tab
2. Navigate to work items like Features/Epics
3. Open a work item and go to Links tab.
4. You can leave the selections blank and click View the Predecessors and Successors button

Expected Results

It should open the define links view

Actual Results

An error is thrown:

Workaround

Enable Capabilities in Administration > Platform > Solution tab.