fix search & replace highlight

            self.search_counter_list[idx] = counter

            self.search_cursorpos_map[idx] = pos_map

            if is_current_edit:

                text = self.search_editor.toPlainText()

                if self.current_cursor.selectedText() != text:

                    new_cursor: QTextCursor = edit.document().find(self.search_editor.toPlainText(), self.current_cursor, self.get_find_flag() | QTextDocument.FindFlag.FindBackward)

                    if new_cursor.isNull():

                        self.setCurrentEditor(self.current_edit)

                    else:

                        self.current_cursor = new_cursor

                        self.result_pos = pos_map[new_cursor.position()]

                        if idx > 0:

                            self.result_pos += sum(self.search_counter_list[ :idx])

                        self.highlight_current_text()

                else:

                    self.result_pos = pos_map[self.current_cursor.position()]

                    if idx > 0:

                        self.result_pos += sum(self.search_counter_list[ :idx])

                    self.highlight_current_text()

            elif before_current:

                self.result_pos += delta_count

        else: