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SUMMARY
After adding an association to two activities on an activity diagram, information typed into association documentation block is not re-displayed after an application restart.

. User clicks on association line, enters information in the documentation block on the UI, when the user restarts the UI 


STEPS TO REPRODUCE
1. Create two activities
2. Join with an association
3. Click on association line
4. Type anything in the documentation block
5. Save
6. Verify in .xmi file that the information is stored 
7. Close Umbrello
8. Start Umbrello
9. Open xmi project
10. Click on association line
11. Documentation is blank

OBSERVED RESULT
Data in documentation is persisted in .xmi file, but, ui can not read from it to display on an association documentation block

EXPECTED RESULT
Expected to see persisted data that was previously entered into the documentation block to be redisplayed

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: RHEL 8.6
Umbrello: 2.34.1

ADDITIONAL INFORMATION