move collect prepared data to single file

apps/web/trpc/routers/calculate/index.ts

@@ -1,6 +1,6 @@
 import { user } from '../../middleware';
 import { t } from '../../server';
-import { prepareData } from './prepare-data';
+import { collectPrepareData } from './prepare-data';
 import { CalculateInputSchema, CalculateOutputSchema } from './types';
 import { validate } from './validation';
 import initializeApollo from '@/apollo/client';
@@ -30,7 +30,7 @@ const calculateRouter = t.router({
         };
       }
 
-      const preparedData = await prepareData({
+      const preparedData = await collectPrepareData({
         context: {
           apolloClient,
           queryClient,