TidyWindow

Cleanup Performance & Responsiveness Improvements

• Reduced phase transition delays (380ms -> 100ms) for a snappier, less “blurry” UI feel.
• Throttled scan and deletion progress updates to reduce UI churn and improve responsiveness.
• Batched target/group updates and clear operations to eliminate excessive notifications.
• Consolidated redundant OnPropertyChanged calls across multiple ViewModel paths.
• Optimized paging refresh to use bulk updates instead of per-item notifications.
• Reduced navigation and transition delays for faster interactions.
• Fixed potential unobserved exceptions in async lock inspection.
• Removed unnecessary dispatcher yields to streamline execution flow.