fix RuntimeException - missing param in controller

• fix error when running 'bin/console lint:container' #38
• Use nullsafe getUser() operator in AuthorizeController #40 thanks to @rimas-kudelis

Use nullsafe getUser() operator in AuthorizeController #40 thanks to @rimas-kudelis

Use nullsafe getUser() operator in AuthorizeController #40 thanks to @rimas-kudelis

Fix TypeError when calling AuthorizeController #37

Fix TypeError when calling AuthorizeController #37

Fix TypeError when calling AuthorizeController #37

Phpunit tests are now all working - Github CI/CD is now functional

Fix deprecation messages Implicitly marking parameter as nullable is deprecated, the explicit nullable type must be used instead