Small Demo Fixes & UI Update — ClumpHunter Steam update #997978

ChangesCollision Fix: Fixed the flying enemy teleport bug that caused player displacement during swarms.Boss Failsafe: Resolved a game crash when quitting to the main menu during the boss chain attack.Stat Correction: Fixed the bug preventing Hikari's cooldown modifiers and attack speed upgrades from increasing fire rates.Frog Enemy Fix: Optimized collision and escape logic so frogs no longer get permanently stuck in narrow gaps.Skeleton Adjustment: Fixed the skeleton drop-down logic so they drop down correctly, including through thicker platforms.Balancing: Increased the base drop rate for health potions from 5% to 10%.Session Cleanup: Ensured health potions and vacuum drops are properly cleared from the map upon player death or restart.UI & Map Tweaks: Fixed and added some UI elements and level adjustments.