AADL Navigator: No status bar text for expanded file content and contributed AADL

[lwrage]

Summary

For files and directories the AADL navigator shows the file path in the status bar. For contributed AADL files and expanded content nodes there is only the icon shown but no text.

Expected and Current Behavior

Looks like this for selected classifier:

Should show text like it does for files:

Environment

• OSATE Version: 2.3.4
• Operating System: all

[lwrage]

The label provider needs to implement some description provider class for this to work.