Remove artificial delays from copydown function, fix issues with select components, ensure pointer cursor shows in copydown state, ensure table scroll position is reset on unmount

docs/validate-table-changes.md

@@ -4,10 +4,6 @@
     * Red outline + alert circle icon with tooltip if cell is NOT empty and isn't valid
 8. When you enter a value in 2+ cells before validation finishes, contents from all edited cells get erased when validation finishes
 9. Import dialog state not fully reset when closing? (validate data step appears scrolled to the middle of the table where I left it)
-11. Copy down needs to show a loading state on the cells that it will copy to
-15. Enhance copy down feature by allowing user to choose the last cell to copy to, instead of going all the way to the bottom
-
-
 
 ## Do NOT change or edit
 * Anything related to AI validation
@@ -23,9 +19,11 @@
 ✅FIXED 6. Need to ensure all cell's contents don't overflow the input (truncate). COO does this currently, probably more
 ✅FIXED 7. The template select cell is expanding, needs to be fixed size and truncate
 ✅FIXED 10. UPC column doesn't need to show loading state when Item Number is being processed, only show on item number column
+✅FIXED 11. Copy down needs to show a loading state on the cells that it will copy to
 ✅FIXED 12. Shipping restrictions/tax category should default to ID 0 if we didn't get it elsewhere
 ✅FIXED 13. Header row should be sticky (both up/down and left/right)
 ✅FIXED 14. Need a way to scroll around table if user doesn't have mouse wheel for left/right
+✅FIXED 15. Enhance copy down feature by allowing user to choose the last cell to copy to, instead of going all the way to the bottom
 
 ---------