Sarif output ignores trim-path-prefix

[elupus]

Describe the bug
The artifactLocation in the sarif report does not strip the path prefix.

CodeChecker version
6.26.0

To Reproduce

CodeChecker parse report --trim-path-prefix --export sarif --output report.sarif

Expected behaviour

Paths in sarif output is relative instead of absolute

Desktop (please complete the following information)

• OS: Linux
• Browser: N/A
• Version: N/A

Additional context

This looks to need similar fix as #4387

[elupus]

It also specifies a URL rather than URI. So it should generally not contain the file:// prefix that is added.