Improve scroll handling for non-document scroll containers

[jalal246]

No description provided.

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
packages/dflex-dnd/dist/dflex-dnd.mjs	10.55 KB (-0.32% 🔽)	211 ms (-0.32% 🔽)	659 ms (+85.36% 🔺)	870 ms
packages/dflex-core-instance/dist/dflex-core.mjs	147 B (0%)	10 ms (0%)	520 ms (+14.01% 🔺)	530 ms
packages/dflex-dom-gen/dist/dflex-dom.mjs	23 B (0%)	10 ms (0%)	507 ms (+49.24% 🔺)	517 ms
packages/dflex-store/dist/dflex-store.mjs	322 B (+24.33% 🔺)	10 ms (0%)	362 ms (+21.23% 🔺)	372 ms
packages/dflex-utils/dist/dflex-utils.mjs	246 B (+37.44% 🔺)	10 ms (0%)	167 ms (+19.61% 🔺)	177 ms
packages/dflex-draggable/dist/dflex-draggable.mjs	5.72 KB (+0.06% 🔺)	115 ms (+0.06% 🔺)	343 ms (-23.18% 🔽)	457 ms