Function format_notes_with_content_as_json 

pub fn format_notes_with_content_as_json(
    vault: &NoteVault,
    entries: &[(NoteEntryData, NoteContentData)],
    content_map: &[(VaultPath, String)],
    workspace_name: &str,
    workspace_path: &str,
    query: Option<&str>,
    is_listing: bool,
) -> Result<String, Box<dyn Error>>

Format note entries with their content as JSON output.