Function normalize_profile_id

crates/openshell-providers/src/profiles.rs:1061–1068

(input: &str)

#[must_use]
pub fn normalize_profile_id(input: &str) -> Option<String> {
    let id = input.trim().to_ascii_lowercase();
    if is_valid_profile_id(&id) {
        Some(id)
    } else {
        None
    }
}

fn is_valid_profile_id(id: &str) -> bool {
    !id.is_empty()