Make Logger.WriteLine thread-safe and fix bug with UNC paths
#4276
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Hence we were losing logs.
When we moved to using `globalStorageUri` and passing `vscode.Uri`s around, we did not test UNC shares. It turns out that while `vscode.Uri.fsPath`'s documentation says that it "does not look at scheme," it actually does look at the scheme and essentially requires it to be `file`. The scheme of the `globalStorageUri` however is `vscode-userdata`, so the `fsPath` fails to then handle the UNC share path. We are now replacing the scheme with `file` to get around this bug.
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SeeminglyScience
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Nov 21, 2022
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This adds a simple lock to
Logger.WriteLinesince it's not re-entrant, hence we were losing logs. Now concurrent calls to it wait for each other to finish. It also should fix #4202, as the bug appears to be with the scheme used inglobalStorageUribeingvscode-userdatainstead offile, andvscode.Uri.fsPathclaiming it does not care about the scheme, but in fact essentially requires it to befile.