Enable FF_SCRIPT_SECTIONS to log multiline commands

Without it, GitLab collapses multiline commands in job logs with #collapsed multi-line command, reducing their utility. FF_SCRIPT_SECTIONS adds a collapsed view in job logs, and the full command is logged in the raw logs for debugging.

Taken from pipeline's commit 4adc6a1976f7d37291bcd97a51c3f1b7682d060b by Piyush Raj piyushraj92739@gmail.com