Server

Adjustments to logging behavior.

On Linux:

• Running without -f emits a log file
• Running with -f and no --log option does not emit a log file
• Running with -f and --log option emits a log file

On Windows:

• Running with UI feature (polaris.exe in releases) emits a log file
• Running without UI feature (polaris-cli.exe in releases) and no --log option does not emit a log file
• Running without UI feature (polaris-cli.exe in releases) and --log option emits a log file