bug: ifdef not supported inside constructor member initializer list

Did you check existing issues?

• I have read all the tree-sitter docs if it relates to using the parser
• I have searched the existing issues of tree-sitter-cpp

Tree-Sitter CLI Version, if relevant (output of tree-sitter --version)

Playground (0.23.4?)

Describe the bug

An #if / #ifdef / #endif is supported in different lists, but apparently not in the initializer list as it leads to an error. The parser seems to recover from the error though.

Steps To Reproduce/Bad Parse Tree

translation_unit [0, 0] - [7, 0]
  function_definition [0, 0] - [6, 1]
    declarator: function_declarator [0, 0] - [0, 10]
      declarator: qualified_identifier [0, 0] - [0, 8]
        scope: namespace_identifier [0, 0] - [0, 3]
        name: identifier [0, 5] - [0, 8]
      parameters: parameter_list [0, 8] - [0, 10]
    field_initializer_list [1, 1] - [3, 13]
      field_initializer [1, 3] - [1, 12]
        field_identifier [1, 3] - [1, 6]
        argument_list [1, 6] - [1, 12]
          true [1, 7] - [1, 11]
      ERROR [2, 0] - [2, 20]
        identifier [2, 7] - [2, 20]
      field_initializer [3, 3] - [3, 13]
        field_identifier [3, 3] - [3, 6]
        argument_list [3, 6] - [3, 13]
          false [3, 7] - [3, 12]
    ERROR [4, 0] - [4, 6]
    body: compound_statement [5, 0] - [6, 1]

Expected Behavior/Parse Tree

The second field_initializer tree should be below a preproc_ifdef node and the two errors should not appear.

Repro

Bar::Bar()
	: baz(true)
#ifdef TRIGGER_ERROR
	, qux(false)
#endif
{
}

Start with the C++ reproduction in the issue and compare its actual parse tree with the expected tree, focusing on the field_initializer_list and preprocessor directives. Trace the tree-sitter-cpp grammar path for constructor member initializers and add a regression case whose parse tree contains a preproc_ifdef node without the reported ERROR nodes.