Simplify Drawer positioning with Tailwind inset shorthand

[Copilot]

Replaced verbose after pseudo-element positioning in the Drawer component's mobile view with Tailwind's inset shorthand.

Changes:

• Consolidated after:!bottom-0 after:!left-0 after:!right-0 after:!top-0 to after:!inset-0 in DrawerContent

The change maintains identical styling while improving code readability and reducing the class string length for the mobile drawer component.

// Before
className={cn(
  "fixed inset-x-0 bottom-0 z-50 flex max-h-[90dvh] min-w-[360px] flex-col overflow-auto rounded-t-xl border border-otl-gray-200 bg-bg-white after:!bottom-0 after:!left-0 after:!right-0 after:!top-0 after:!h-0",
  className
)}

// After
className={cn(
  "fixed inset-x-0 bottom-0 z-50 flex max-h-[90dvh] min-w-[360px] flex-col overflow-auto rounded-t-xl border border-otl-gray-200 bg-bg-white after:!inset-0 after:!h-0",
  className
)}

---

💬 We'd love your input! Share your thoughts on Copilot coding agent in our 2 minute survey.