No 'items transferred' shows in the activity log after downloading multiple versions under Versions view

[v-limu]

Storage Explorer Version: 1.15.0-dev
Build: 20200820.5
Branch: master
Platform/OS: Windows 10/ CentOS 7.6.1810 (Core) / MacOS Catalina
Architecture: ia32/x64
Regression From: Not a regression

Steps to reproduce:

1. Expand one Non-ADLS Gen2 storage account (make sure the blob versioning is enabled) -> Blob Containers.
2. Create one blob container -> Upload one blob to it -> Modify the blob multiple times.
3. Right click the blob -> Click 'Manage History -> Manage Version'.
4. Download the all versions -> Check the activity log.

Expect Experience:
The 'items transferred' shows in the activity log.

Actual Experience:
The 'items transferred' doesn't show in the activity log.

[v-xianya]

This issue has been fixed on build 20200911.5. So close it.