Could not show graph for submodule

[MartinToewsWI]

Describe the Bug
When i navigate in my vscode project to the git graph it will works fine but when i change to submodule repo, there appear infinitly a loading spinner instead of the graph.

Steps to Reproduce
Steps to reproduce the behaviour:

1. Go to git graph of main project
2. Click select "Repo" and select the submodule
3. See infinitly a loading spinner
4. See error in Extension "Runtime Status" --> "Cannot create a string longer than 0x1fffffe8 characters"

Expected Behaviour
I Expected to see the graph of the Repo

Environment

• Git Graph Extension Version: 1.30.0
• Visual Studio Code Version: 1.80.1
• Operating System: WSL2 of Windows 10

Screenshots (optional)

Additional:

1. Failure only appears in one of many repositories...