Copy to clipboard is not visible for JSON in case of long queries

-{
    "query_block": -{
        "select_id": 1,
        "nested_loop": -[
           -{
                "table": -{
                    "table_name": "t",
                    "access_type": "ALL",
                    "open_full_table": true,
                    "scanned_databases": "all",
                    "attached_condition": "(`t`.`AUTO_INCREMENT` is not null)"
                }
            },
           -{
                "table": -{
                    "table_name": "c",
                    "access_type": "ALL",
                    "open_frm_only": true,
                    "scanned_databases": "all",
                    "using_join_buffer": "Block Nested Loop",
                    "attached_condition": "((`c`.`EXTRA` = 'auto_increment') and (cast(`t`.`TABLE_SCHEMA` as char charset binary) = `c`.`TABLE_SCHEMA`) and (cast(`t`.`TABLE_NAME` as char charset binary) = `c`.`TABLE_NAME`))"
                }
            }
        ]
    }
}