Fix duplicating parameter schema if it already exists

Author: DerManoMann

src/Processors/AugmentParameters.php

@@ -65,15 +65,19 @@ protected function augmentParameters(Analysis $analysis): void
             }
 
             if ($context->reflector instanceof \ReflectionParameter) {
-                $schema = new OA\Schema(['_context' => new Context(['reflector' => $context->reflector], $context)]);
-                $this->generator->getTypeResolver()->augmentSchemaType($analysis, $schema);
-
-                $parameter->merge([new OA\Schema([
-                    'type' => $schema->type,
-                    'format' => $schema->format,
-                    'ref' => $schema->ref,
-                    '_context' => new Context(['nested' => $this, 'comment' => null, 'reflector' => $context->reflector], $context)]),
-                ]);
+                if (Generator::isDefault($parameter->schema)) {
+                    $schema = new OA\Schema(['_context' => new Context(['reflector' => $context->reflector], $context)]);
+                    $this->generator->getTypeResolver()->augmentSchemaType($analysis, $schema);
+
+                    $parameter->merge([new OA\Schema([
+                        'type' => $schema->type,
+                        'format' => $schema->format,
+                        'ref' => $schema->ref,
+                        '_context' => new Context(['nested' => $this, 'comment' => null, 'reflector' => $context->reflector], $context)]),
+                    ]);
+                } else {
+                    $schema = $parameter->schema;
+                }
 
                 if (Generator::isDefault($parameter->required)) {
                     $parameter->required = !$schema->isNullable();