style: standardize import ordering, type imports, and formatting in source files

Sort imports alphabetically, convert value imports to type-only where
appropriate, normalize indentation to tabs, and sort exports
alphabetically across UI components, pages, and lib modules.

src/components/ui/dialog.tsx

@@ -1,8 +1,8 @@
 "use client";
 
-import * as React from "react";
 import * as DialogPrimitive from "@radix-ui/react-dialog";
 import { XIcon } from "lucide-react";
+import type * as React from "react";
 
 import { cn } from "@/lib/utils";