getFlagCodesign method
Gets the codesign flag value formatted for command-line usage.
Returns:
- '--codesign'if the flag is set to true
- '--no-codesign'if the flag is set to false or not provided
Example:
final codesignFlag = argResults.getFlagCodesign();
// Returns '--codesign' or '--no-codesign'
Implementation
String getFlagCodesign() =>
    this?['codesign'] ?? true ? '--codesign' : '--no-codesign';