Update: I find out, that issue is around this log line:
kernel Sandbox: fileproviderd(448) deny(1) file-read-data /Applications/TestFileProvider.app
What I found out, is that file provider is not loaded only when I run my application from /Applications/ folder
If run in Xcode project build folder, or ˜/Desktop, there is no issue.
I have tried changing everything that I can think of in codesign, sandbox and other build settings, but nothing changes that
Markel
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