Update v0.23.6.3 — Sprite cloning, Music Player toggle & a batch of fixes — Minisprite Engine Steam update #4935693

https://i.imgur.com/EVP7hi1.png New Sprite cloning (Multiply) — Right-click a sprite to duplicate it into an independent copy with its own window and animation, dropped just beside the original. Spin up a whole crowd of the same sprite, then clear them all at once with the new Turn off all clones button in the Hub. A memory-budget check keeps large clone swarms from eating your RAM. Clone positions and stacking order are saved, so they come back after a restart — and reappear when you toggle a card back on. Per-sprite Music Player toggle — Right-click any asset that ships with background music and switch its Music Player on or off. The choice is remembered per asset, so sprites you don't want music from stay silent across respawns and restarts. Card loading feedback — Cards now show a loading indicator while an asset decodes, and rapid clicks can no longer spawn the same asset multiple t...