HPCC-11895 ECL Playgrounds toolbar is wrapping to two lines

Fixes HPCC-11895

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #6224 from GordonSmith/HPCC-11895

HPCC-11895 ECL Playgrounds toolbar is wrapping to two lines

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>