tooling(webpack): base paths of rootfolder (#6123)

.webpack/webpack.dev.js

@@ -5,11 +5,12 @@ This configuration should be used for development purposes. It contains full sou
 devServer (which be invoked using by `npm start`), and a non-minified Vue.js distribution.
 If OpenMCT is to be used for a production server, use webpack.prod.js instead.
 */
-const { merge } = require("webpack-merge");
-const common = require("./webpack.common");
-
 const path = require("path");
 const webpack = require("webpack");
+const { merge } = require("webpack-merge");
+
+const common = require("./webpack.common");
+const projectRootDir = path.resolve(__dirname, "..");
 
 module.exports = merge(common, {
     mode: "development",
@@ -26,7 +27,7 @@ module.exports = merge(common, {
     },
     resolve: {
         alias: {
-            vue: path.join(__dirname, "..", "node_modules/vue/dist/vue.js")
+            vue: path.join(projectRootDir, "node_modules/vue/dist/vue.js")
         }
     },
     plugins: [