### Godot version

v4.0.beta.custom_build [13f0158]

### System information

Windows 10

### Issue description

When doing operations (`begin_complex_operation` and `end_complex_operation`) with multiple selections in TextEdit, some of these selections don't revert upon undo. This behavior is affects some of script editor's operations, like duplicate selection and delete lines.

### Steps to reproduce

Open script editor, make multiple selections. Keep in mind what you have selected. Do duplicate selection (ctrl+shift+D). Undo (ctrl+Z). Compare the result to what you remember.

### Minimal reproduction project

N/A
insert_text_at_caret(String::chr(0x202B));
			}
		} break;
		case MENU_INSERT_LRO: {
			if (editable) {
				insert_text_at_caret(String::chr(0x202D));
			}
		} break;
		case MENU_INSERT_RLO: {
			if (editable) {
				insert_text_at_caret(String::chr(0x202E));
			}
		} break;
		case MENU_INSERT_PDF: {
			if (editable) {
				insert_text_at_caret(String::chr(0x202C));
			}
		} break;
		case MENU_INSERT_ALM: {
			if (editable) {
				insert_text_at_caret(String::chr(0x061C));
			}
		} break;
		case MENU_INSERT_LRI: {
			if (editable) {
				insert_text_at_caret(String::chr(0x2066));
			}
		} break;
		case MENU_INSERT_RLI: {
			if (editable) {