feat: update document flow

- Fixed z-index when dragging pre-existing fields
- Refactored document flow
- Added button spinner
- Added animation for document flow slider
- Updated drag and drop fields
- Updated document flow so it adjusts to the height of the PDF
- Updated claim plan dialog

apps/web/src/app/(dashboard)/documents/[id]/loading.tsx

@@ -13,9 +13,9 @@ export default function Loading() {
       <h1 className="mt-4 max-w-xs grow-0 truncate text-2xl font-semibold md:text-3xl">
         Loading Document...
       </h1>
-      <div className="mt-8 grid min-h-[80vh] w-full grid-cols-12 gap-x-8">
+      <div className="mt-8 grid h-[80vh] max-h-[60rem] w-full grid-cols-12 gap-x-8">
         <div className="dark:bg-background border-border col-span-12 rounded-xl border-2 bg-white/50 p-2 before:rounded-xl lg:col-span-6 xl:col-span-7">
-          <div className="flex min-h-[80vh] flex-col items-center justify-center">
+          <div className="flex h-[80vh] max-h-[60rem] flex-col items-center justify-center">
             <Loader className="text-documenso h-12 w-12 animate-spin" />
 
             <p className="text-muted-foreground mt-4">Loading document...</p>