[TASK] CGL ResourceStorage double quote

Brings a single CGL "DoubleQuoteUsageNotRequired" improvement.

Change-Id: I7ca24279953e9d1566c6733cdcf29462e6bc5c2e
Fixes: #45965
Releases: 6.1
Reviewed-on: https://review.typo3.org/18561
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn