### Godot version

4.1.1.stable.official

### System information

Godot v4.1.1.stable - Windows 10.0.19045 - Vulkan (Compatibility) - Intel(R) HD Graphics 4600 (Intel Corporation; 20.19.15.5126) - Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz (8 Threads)

### Issue description

So theres this error message:
Expected error after ">" operator."
there appears to be a useless " at the end. Is this intentional?
![image](https://github.com/godotengine/godot/assets/95637172/b7763908-596e-47e6-b632-bd5ceceab9db)


### Steps to reproduce

attach a script and write a ternary operator line, But do after the operator do not write the other piece of code.
var test = 1 if a > # leave it out so it gives an debug error message at edit time
you'll see the debug error message

### Minimal reproduction project

go to scenes\enemys\frog\frog.gd
youll see line 24 which includes the bug
[test.zip](https://github.com/godotengine/godot/files/12328367/test.zip)

DictionaryNode *dictionary = alloc_node<DictionaryNode>();
	bool decided_style = false;
	if (!check(GDScriptTokenizer::Token::BRACE_CLOSE)) {
		do {
			if (check(GDScriptTokenizer::Token::BRACE_CLOSE)) {
				
				break;
			}
			
			ExpressionNode *key = parse_expression(false, true); 
			if (key == nullptr) {
				push_error(R"(Expected expression as dictionary key.)");
			}
			if (!decided_style) {
				switch (current.type) {
					case GDScriptTokenizer::Token::COLON:
						dictionary->style = DictionaryNode::PYTHON_DICT;
						break;
					case GDScriptTokenizer::Token::EQUAL:
						dictionary->style = DictionaryNode::LUA_TABLE;
						break;
					default:
						push_error(R"(Expected ":" or "=" after dictionary key.)");