fix: settingsLoading -> loading

[lc-soft]

Summary

This PR fixes an Alpine.js runtime error caused by a typo in the variable name within a conditional expression.

Changes

Corrected the typo in the Alpine expression from !settignsLoading to !loading.

Testing

• cargo clippy --workspace --all-targets -- -D warnings passes
• cargo test --workspace passes
• Live integration tested (if applicable)

Security

• No new unsafe code
• No secrets or API keys in diff
• User input validated at boundaries

[jaberjaber23]

Clean fix. \ doesn't exist in the component data — \ is the correct property name. Two-line fix, verified against settings.js.

[jaberjaber23]

Clean fix. settingsLoading doesn't exist in the component data — loading is the correct property name. Two-line fix, verified against settings.js.