Cost Tracker Assistant 5.0.4

Fixed: JavaScript syntax error caused by an unintended character after semicolons on two lines.
Updated: Cron job scheduling logic to ensure conditions are evaluated before scheduling.
Updated: Refined error messages throughout the file upload and extraction process for clearer user feedback.
Updated: Extension settings option labels and tooltips for better clarity and alignment with current MainWP terminology.
Updated: Minor CSS adjustments to improve spacing and layout consistency.
Updated: Knowledgebase URL in the add-on meta info.