Fix vector of table with naked ptr (#8830)

* create test that fails to compile

* fix the issue

* add test body

* force commit gneerated header

* build failures

* fix bazel some more

tests/vector_table_naked_ptr_test.h

@@ -0,0 +1,14 @@
+#ifndef VECTOR_TABLE_NAKED_PTR_TEST_H
+#define VECTOR_TABLE_NAKED_PTR_TEST_H
+
+#include <string>
+
+namespace flatbuffers {
+namespace tests {
+
+void VectorTableNakedPtrTest();
+
+}  // namespace tests
+}  // namespace flatbuffers
+
+#endif