Update GenerateAction.php

[egmsystems]

$this->controller->stdout("Code not generated. Please fix the following errors:\n\n", Console::FG_RED); print fine but the next echo not show inmediatly and better replace echo with $this->controller->stdout

Q	A
Is bugfix?	✔️/❌
New feature?	✔️/❌
Breaks BC?	✔️/❌
Fixed issues

[what-the-diff[bot]]

PR Summary

• Change echo to stdout Updated method to display output more effectively
• Add newline at the end of output Improved output formatting with added newline

[samdark]

👍