ID 367064 - Certain archives give export manager overwrite warning, when nothing would be overwritten

Problem summary:

Certain archives give misleading overwrite warnings in the Export Manager when there is nothing that would be overwritten on export.

Steps to reproduce:

1. Open an affected archive

2. Open the Export manager

3. Select Export All.
Result: You will receive an overwrite warning

Workaround:

No known workaround.

Reproduced by in-house QA:

• 4.5v1.000431a - CentOS 7.5 - Affected
• 4.2v1 Windows 7 - Affected
• 4.1v1 Windows 7 - Affected

Expected behaviour:

The channels should correctly export to the specified file locations

Actual behaviour:

The channels are blocked from exporting by overwrite warnings