reverting the changes that failed the e2e tests. (#22714)

packages/grafana-e2e/cypress/plugins/typescriptPreprocessor.js

-const { resolve } = require('path');
 const wp = require('@cypress/webpack-preprocessor');
 const wp = require('@cypress/webpack-preprocessor');
 
 
-const packageRoot = resolve(`${__dirname}/../../`);
-const packageModules = `${packageRoot}/node_modules`;
-
 const webpackOptions = {
 const webpackOptions = {
   module: {
   module: {
     rules: [
     rules: [
       {
       {
-        include: modulePath => {
-          return modulePath.startsWith(packageRoot) && !modulePath.startsWith(packageModules);
-        },
         test: /\.ts$/,
         test: /\.ts$/,
         use: [
         use: [
           {
           {
             loader: 'ts-loader',
             loader: 'ts-loader',
-            options: {
-              configFile: `${__dirname}/../tsconfig.json`,
-            },
           },
           },
         ],
         ],
       },
       },

packages/grafana-e2e/cypress/tsconfig.json

 {
 {
   "compilerOptions": {
   "compilerOptions": {
-    "module": "commonjs",
     "types": ["cypress"]
     "types": ["cypress"]
   },
   },
-  "extends": "@grafana/tsconfig",
+  "extends": "../tsconfig.json",
   "include": ["**/*.ts"]
   "include": ["**/*.ts"]
 }
 }