Fixed phpstan analysis issues and bad code that showed up with phpstan 2.0

src/Command/CheckRequirementsCommand.php

@@ -79,7 +79,7 @@ class CheckRequirementsCommand extends Command
         //Checking 32-bit system
         if (PHP_INT_SIZE === 4) {
             $io->warning('You are using a 32-bit system. You will have problems with working with dates after the year 2038, therefore a 64-bit system is recommended.');
-        } elseif (PHP_INT_SIZE === 8) {
+        } elseif (PHP_INT_SIZE === 8) { //@phpstan-ignore-line //PHP_INT_SIZE is always 4 or 8
             if (!$only_issues) {
                 $io->success('You are using a 64-bit system.');
             }

src/Command/Migrations/ConvertBBCodeCommand.php

@@ -79,6 +79,7 @@ class ConvertBBCodeCommand extends Command
 
     /**
      * Returns a list which entities and which properties need to be checked.
+     * @return array<class-string<AbstractNamedDBElement>, string[]>
      */
     protected function getTargetsLists(): array
     {
@@ -109,7 +110,6 @@ class ConvertBBCodeCommand extends Command
                 $class
             ));
             //Determine which entities of this type we need to modify
-            /** @var EntityRepository $repo */
             $repo = $this->em->getRepository($class);
             $qb = $repo->createQueryBuilder('e')
                 ->select('e');

src/Command/User/UsersPermissionsCommand.php

@@ -206,12 +206,15 @@ class UsersPermissionsCommand extends Command
             return '<fg=green>Allow</>';
         } elseif ($permission_value === false) {
             return '<fg=red>Disallow</>';
-        } elseif ($permission_value === null && !$inherit) {
+        }
+        // Permission value is null by this point
+        elseif (!$inherit) {
             return '<fg=blue>Inherit</>';
-        } elseif ($permission_value === null && $inherit) {
+        } elseif ($inherit) {
             return '<fg=red>Disallow (Inherited)</>';
         }
 
+        //@phpstan-ignore-next-line This line is never reached, but PHPstorm complains otherwise
         return '???';
     }
 }