### 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)

menu = memnew(PopupMenu);
	add_child(menu, false, INTERNAL_MODE_FRONT);
	menu_dir = memnew(PopupMenu);
	menu_dir->set_name("DirMenu");
	menu_dir->add_radio_check_item(RTR("Same as Layout Direction"), MENU_DIR_INHERITED);
	menu_dir->add_radio_check_item(RTR("Auto-Detect Direction"), MENU_DIR_AUTO);
	menu_dir->add_radio_check_item(RTR("Left-to-Right"), MENU_DIR_LTR);
	menu_dir->add_radio_check_item(RTR("Right-to-Left"), MENU_DIR_RTL);
	menu->add_child(menu_dir, false, INTERNAL_MODE_FRONT);
	menu_ctl = memnew(PopupMenu);
	menu_ctl->set_name("CTLMenu");
	menu_ctl->add_item(RTR("Left-to-Right Mark (LRM)"), MENU_INSERT_LRM);
	menu_ctl->add_item(RTR("Right-to-Left Mark (RLM)"), MENU_INSERT_RLM);
	menu_ctl->add_item(RTR("Start of Left-to-Right Embedding (LRE)"), MENU_INSERT_LRE);
	menu_ctl->add_item(RTR("Start of Right-to-Left Embedding (RLE)"), MENU_INSERT_RLE);
	menu_ctl->add_item(RTR("Start of Left-to-Right Override (LRO)"), MENU_INSERT_LRO);
	menu_ctl->add_item(RTR("Start of Right-to-Left Override (RLO)"), MENU_INSERT_RLO);
	menu_ctl->add_item(RTR("Pop Direction Formatting (PDF)"), MENU_INSERT_PDF);
	menu_ctl->add_separator();