### Godot version

4.0 stable

### System information

Manjaro Linux, kernel 6.1.1-1-MANJARO, AMD Ryzen 5 3600, AMD RX 580

### Issue description

The `wrap_mode` property of the `TextEdit` node doesn't seem to really do anything. Setting it to `LINE_WRAPPING_BOUNDARY` simply means that there won't be an horizontal scrollbar if the text overshoots the boundary, instead of actually forcing the text to the next line so that it stays visible.

### Steps to reproduce

Create a TextEdit node and set its `wrap_mode` property to `LINE_WRAPPING_BOUNDARY`

### Minimal reproduction project

[WrapBugDemo.zip](https://github.com/godotengine/godot/files/10875969/WrapBugDemo.zip)

return deselect_on_focus_loss_enabled;
}
void TextEdit::set_drag_and_drop_selection_enabled(const bool p_enabled) {
	drag_and_drop_selection_enabled = p_enabled;
}
bool TextEdit::is_drag_and_drop_selection_enabled() const {
	return drag_and_drop_selection_enabled;
}
void TextEdit::set_selection_mode(SelectionMode p_mode, int p_line, int p_column, int p_caret) {
	ERR_FAIL_INDEX(p_caret, carets.size());
	selecting_mode = p_mode;
	if (p_line >= 0) {
		ERR_FAIL_INDEX(p_line, text.size());
		carets.write[p_caret].selection.selecting_line = p_line;
		carets.write[p_caret].selection.selecting_column = CLAMP(carets[p_caret].selection.selecting_column, 0, text[carets[p_caret].selection.selecting_line].length());
	}
	if (p_column >= 0) {
		ERR_FAIL_INDEX(carets[p_caret].selection.selecting_line, text.size());
		ERR_FAIL_INDEX(p_column, text[carets[p_caret].selection.selecting_line].length() + 1);
		carets.write[p_caret].selection.selecting_column = p_column;
	}
}
TextEdit::SelectionMode TextEdit::get_selection_mode() const {