BaseCommand : fix default name when using CliCommand

src/CliProgram/BaseCommand.php

@@ -21,7 +21,9 @@ class BaseCommand extends Command {
         if ($attribute = $reflectionClass->getAttributes(CliCommand::class)) {
             /** @var CliCommand $cliCommandAttribute */
             $cliCommandAttribute = $attribute[0]->newInstance();
-            return $cliCommandAttribute->name;
+            if ($cliCommandAttribute->name !== null) {
+                return $cliCommandAttribute->name;
+            }
         }
         if (($name = parent::getDefaultName()) !== null) {
             return $name;