fix: Patched 'formatWebpackMessage' for webpack 5

Author: Yaugen Zhuk

packages/react-dev-utils/formatWebpackMessages.js

@@ -16,7 +16,13 @@ function isLikelyASyntaxError(message) {
 
 // Cleans up webpack error messages.
 function formatMessage(message) {
-  let lines = message.split('\n');
+  let lines = [];
+
+  if (typeof message === 'string' || message instanceof String) {
+    lines = message.split('\n');
+  } else {
+    lines = [message.moduleName].concat(message.message.split('\n'));
+  }
 
   // Strip webpack-added headers off errors/warnings
   // https://github.com/webpack/webpack/blob/master/lib/ModuleError.js