[TASK] Followup to "Cleanup Ajax URL inline settings"

commit 7ccbb22f3c28b38ed6879d0c768b0424a2253276
added ajaxUrls to TYPO3.settings. The functional test
needs to be adapted accordingly

Change-Id: I24267feaab39f0260db934e2151f33c948036080
Resolves: #57096
Releases: 6.2
Reviewed-on: https://review.typo3.org/28658
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel