Does not show tagged commits outside of any branch

[andry81]

Describe the bug
Tagged commits outside of any branch is not shown in the graph.

To Reproduce
https://github.com/andry81/tacklebar

Expected behavior
Show tagged commits.

Screenshots
Screenshot from GitExtensions:

Version information:

• OS: Windows 7 x64 SP1
• Browser Firefox
• Version 114.0.1
• Repository where this issue was observed: https://github.com/andry81/tacklebar

I use tagged commits outside of any branch to freeze externals revisions in the file .externals for the vcstool. This is a convenient way to not touch any branch to freeze revisions. And no need to rewrite a branch to fix an external revision.