Fix a quoting problem related to CCDB remapping

[sawenzel]

The CCDB remapping arguments appeared sometimes correctly quoted and in some cases not. This is because the task_finalizer reapplied string construction/quoting which was not generic enough.

This is fixed with this commit.

In addition, we now automatically quote ALIEN_JDL_REMAPPING if needed.

Both versions

export ALIEN_JDL_REMAPPING="foo;bar"

as well as (quoted)

export ALIEN_JDL_REMAPPING='"foo;bar"'

will work. It is recommended to just use the former.

[sawenzel]

@shahor02 @catalinristea

[github-actions]

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[shahor02]

Thanks!

[shahor02]

Tested locally, works as needed, merging.