Fix array brackets appearing in the wrong place in the snapshot (facebook#56214)

Summary:

Changelog: [Internal]

Snapshot generator was putting `[]` in wrong place when generating array type - it was adding it to the type name instead of the variable name. This diff addresses that.

Differential Revision: D98102328

Author: j-piasecki

scripts/cxx-api/parser/builders.py

@@ -333,6 +333,8 @@ def get_doxygen_params(
                     + param_array
                 )
                 param_name = None
+            elif param_name:
+                param_name += param_array
             else:
                 param_type += param_array
 

scripts/cxx-api/tests/snapshots/should_handle_array_syntax_correctly/snapshot.api

@@ -0,0 +1,3 @@
+void test::arrayParam(const char name[]);
+void test::arrayParamSized(int values[10]);
+void test::arrayParamUnnamed(const char[]);

scripts/cxx-api/tests/snapshots/should_handle_array_syntax_correctly/test.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+namespace test {
+
+void arrayParam(const char name[]);
+void arrayParamSized(int values[10]);
+void arrayParamUnnamed(const char[]);
+
+} // namespace test