fix: import vitePreprocess from vite-plugin-svelte in sveltekit (#…

…326)

As of sveltekit v2 `vitePreprocess` is no longer exported from `@sveltejs/kit/vite`, So `vitePreprocess` always is imported from `@sveltejs/vite-plugin-svelte`.

projects/svelte-add/adder-tools.js

@@ -66,7 +66,7 @@ export const updateSveltePreprocessArgs = async ({ folderInfo, mutateSveltePrepr
 	await updateJavaScript({
 		path: cjs ? "/svelte.config.js" : "/svelte.config.js",
 		async script({ typeScriptEstree }) {
-			const importFromPackage = folderInfo.kit ? "@sveltejs/kit/vite" : "@sveltejs/vite-plugin-svelte";
+			const importFromPackage = "@sveltejs/vite-plugin-svelte";
 
 			const sveltePreprocessImports = findImport({ cjs, package: importFromPackage, typeScriptEstree });
 			let sveltePreprocessImportedAs = sveltePreprocessImports.named.vitePreprocess;