fix: handle null regex match in eject script

line.match(/ .*/g)[0] crashed with TypeError when the regex had no
match and returned null. Added null-safe handling with optional
chaining to prevent the crash during eject.

Signed-off-by: Srikanth Patchava <spatchava@meta.com>
Signed-off-by: Srikanth Patchava <srikanth.patchava@outlook.com>

Author: srpatcha

packages/create-react-app/createReactApp.js

@@ -82,7 +82,7 @@ prompts({
         '\n\n' +
         gitStatus
           .split('\n')
-          .map(line => line.match(/ .*/g)[0].trim())
+          .map(line => (line.match(/ .*/g) || [line])[0].trim())
           .join('\n') +
         '\n\n' +
         chalk.red(