### Godot version

4.1

### System information

Windows

### Issue description

Being able to have multiple cursors similarly to vscode is a great feature, however it's only possible to add carets, not remove them. By left clicking you can remove all extra cursors but you cannot remove a specific one so after selecting multiple lines a single missclick, you have to reselect them all again. Looking at the original pr there was a remove_caret function added so it would make sense to be able to remove carets when clicking again, like in vscode.

![image](https://github.com/godotengine/godot/assets/19669673/3867c00e-9faa-4429-9c6d-f2d6d3883044)


### Steps to reproduce

- Alt click to add multiple carets
- Alt click on the same position again
- Nothing happens

### Minimal reproduction project

N/A
if (line_wrapping_mode != p_wrapping_mode) {
		line_wrapping_mode = p_wrapping_mode;
		_update_wrap_at_column(true);
		queue_redraw();
	}
}
TextEdit::LineWrappingMode TextEdit::get_line_wrapping_mode() const {
	return line_wrapping_mode;
}
void TextEdit::set_autowrap_mode(TextServer::AutowrapMode p_mode) {
	if (autowrap_mode == p_mode) {
		return;
	}
	autowrap_mode = p_mode;
	if (get_line_wrapping_mode() != LineWrappingMode::LINE_WRAPPING_NONE) {
		_update_wrap_at_column(true);
		queue_redraw();
	}
}
TextServer::AutowrapMode TextEdit::get_autowrap_mode() const {
	return autowrap_mode;
}
bool TextEdit::is_line_wrapped(int p_line) const {
	ERR_FAIL_INDEX_V(p_line, text.size(), 0);
	if (get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE) {
		return false;
	}
	return text.get_line_wrap_amount(p_line) > 0;
}
int TextEdit::get_line_wrap_count(int p_line) const {