### Godot version

Godot 4.0 statble

### System information

Windows 10

### Issue description

TextEdit boundary wrapmode not works, it only removes the horizontal scrollbar

### Steps to reproduce

Add a textedit in editor, set  the wrap mode to boundary, type something.

### Minimal reproduction project

![image](https://user-images.githubusercontent.com/9168814/224538077-2efb4e67-8976-496e-9223-c460365ecc28.png)
![image](https://user-images.githubusercontent.com/9168814/224538084-af773b86-d73a-4e8b-9b66-a0fb4bde1168.png)

CHECK_FALSE(text_edit->has_undo());
	CHECK_FALSE(text_edit->has_redo());
	CHECK(text_edit->get_version() == 0);
	CHECK(text_edit->get_saved_version() == 0);
	text_edit->begin_complex_operation();
	text_edit->begin_complex_operation();
	text_edit->begin_complex_operation();
	text_edit->insert_text_at_caret("test");
	CHECK(text_edit->get_version() == 1);
	CHECK(text_edit->get_saved_version() == 0);
	CHECK(text_edit->has_undo());
	CHECK_FALSE(text_edit->has_redo());
	text_edit->end_complex_operation();
	
	text_edit->insert_text_at_caret(" nested");
	CHECK(text_edit->get_version() == 2);
	CHECK(text_edit->get_saved_version() == 0);
	CHECK(text_edit->has_undo());
	CHECK_FALSE(text_edit->has_redo());
	text_edit->undo();
	CHECK(text_edit->has_redo());
	text_edit->redo();
	text_edit->end_complex_operation();
	text_edit->insert_text_at_caret(" ops");
	CHECK(text_edit->get_version() == 3);
	CHECK(text_edit->get_saved_version() == 0);
	CHECK(text_edit->has_undo());
	CHECK_FALSE(text_edit->has_redo());
	text_edit->end_complex_operation();
	text_edit->tag_saved_version();