[TASK] Use $pathsToProvideInTestInstance in functional import tests

$pathsToProvideInTestInstance offers the possibility to use real
duplicates instead of linked resources in the filesystem - especially
in scenarios when files shall be modified inside a testing instance this
is the better approach and avoid side-effects during test execution.

Resolves: #83163
Releases: master, 8.7
Change-Id: I5e5825d2f999401533afffdf9c6e8d83ac55c94e
Reviewed-on: https://review.typo3.org/54862


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Susanne Moog <susanne.moog@typo3.org>