HPCC-10493 Bad request message on using ZAP button

Values passed into text area are too large
for request method GET added POST request method due to size limitation of GET.

Signed-off by: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Merge pull request #5198 from miguelvazq/HPCC-10493

HPCC-10493 Bad request message on using ZAP button

Reviewed-By: Kevin Wang <kevin.wang@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>